diff --git a/code/__defines/species_languages.dm b/code/__defines/species_languages.dm
index a538c77ce0..e11b0a3dec 100644
--- a/code/__defines/species_languages.dm
+++ b/code/__defines/species_languages.dm
@@ -1,7 +1,7 @@
 // Species flags.
 #define NO_MINOR_CUT      	0x1	// Can step on broken glass with no ill-effects. Either thick skin (diona), cut resistant (slimes) or incorporeal (shadows)
 #define IS_PLANT          	0x2	// Is a treeperson.
-#define NO_SCAN           	0x4	// Cannot be scanned in a DNA machine/genome-stolen.
+#define NO_SLEEVE        	0x4	// Cannot be resleeved by clonepods
 #define NO_PAIN           	0x8	// Cannot suffer halloss/recieves deceptive health indicator.
 #define NO_SLIP           	0x10	// Cannot fall over.
 #define NO_POISON         	0x20	// Cannot not suffer toxloss.
@@ -11,6 +11,7 @@
 #define UNDEAD			0x200	// Various things that living things don't do, mostly for skeletons
 #define NO_INFECT		0x400	// Don't allow infections in limbs or organs, similar to IS_PLANT, without other strings.
 #define NO_DEFIB		0x800	// Don't allow them to be defibbed
+#define NO_DNA          0x1000	// Cannot have mutations or have their dna changed by genetics/radiation/genome-stolen.
 // unused: 0x8000 - higher than this will overflow
 
 // Species EMP vuln for carbons
diff --git a/code/game/antagonist/station/changeling.dm b/code/game/antagonist/station/changeling.dm
index e82fac7c8e..7a7be183f1 100644
--- a/code/game/antagonist/station/changeling.dm
+++ b/code/game/antagonist/station/changeling.dm
@@ -64,15 +64,15 @@
 			var/mob/living/carbon/human/H = player.current
 			if(H.isSynthetic())
 				return 0
-			if(H.species.flags & NO_SCAN)
+			if(H.species.flags & (NO_SLEEVE|NO_DNA))
 				return 0
 			return 1
 		else if(isnewplayer(player.current))
 			if(player.current.client && player.current.client.prefs)
 				var/datum/species/S = GLOB.all_species[player.current.client.prefs.species]
-				if(S && (S.flags & NO_SCAN))
+				if(S && (S.flags & (NO_SLEEVE|NO_DNA)))
 					return 0
-				if(player.current.client.prefs.organ_data["torso"] == "cyborg") // Full synthetic.
+				if(player.current.client.prefs.organ_data["torso"] == "cyborg") // Full synthetic. // TODO, this to issynthetic()?
 					return 0
 				return 1
 	return 0
diff --git a/code/game/dna/dna2_domutcheck.dm b/code/game/dna/dna2_domutcheck.dm
index 01efc770bb..d803394325 100644
--- a/code/game/dna/dna2_domutcheck.dm
+++ b/code/game/dna/dna2_domutcheck.dm
@@ -5,12 +5,12 @@
 // flags: See below, bitfield.
 
 /proc/domutcheck(var/mob/living/M, var/connected=null, var/flags=0)
-	// Traitgenes NO_SCAN and Synthetics cannot be mutated
+	// Traitgenes NO_DNA and Synthetics cannot be mutated
 	if(M.isSynthetic())
 		return
 	if(ishuman(M))
 		var/mob/living/carbon/human/H = M
-		if(!H.species || H.species.flags & NO_SCAN)
+		if(!H.species || H.species.flags & NO_DNA)
 			return
 	// Traitgenes Sort genes into currently active, and deactivated... Genes that are active and may deactivate should do so before attempting to activate genes(to avoid conflicts blocking them!)
 	var/list/enabled_genes = list()
diff --git a/code/game/dna/dna2_helpers.dm b/code/game/dna/dna2_helpers.dm
index 86aa5edc64..0362165e83 100644
--- a/code/game/dna/dna2_helpers.dm
+++ b/code/game/dna/dna2_helpers.dm
@@ -23,12 +23,12 @@
 // Give Random Bad Mutation to M
 /proc/randmutb(var/mob/living/M)
 	if(!M || !(M.dna)) return
-	// Traitgenes NO_SCAN and Synthetics cannot be mutated
+	// Traitgenes NO_DNA and Synthetics cannot be mutated
 	if(M.isSynthetic())
 		return
 	if(ishuman(M))
 		var/mob/living/carbon/human/H = M
-		if(!H.species || H.species.flags & NO_SCAN)
+		if(!H.species || H.species.flags & NO_DNA)
 			return
 	M.dna.check_integrity()
 	// Traitgenes Pick from bad traitgenes
@@ -38,12 +38,12 @@
 // Give Random Good Mutation to M
 /proc/randmutg(var/mob/living/M)
 	if(!M || !(M.dna)) return
-	// Traitgenes NO_SCAN and Synthetics cannot be mutated
+	// Traitgenes NO_DNA and Synthetics cannot be mutated
 	if(M.isSynthetic())
 		return
 	if(ishuman(M))
 		var/mob/living/carbon/human/H = M
-		if(!H.species || H.species.flags & NO_SCAN)
+		if(!H.species || H.species.flags & NO_DNA)
 			return
 	M.dna.check_integrity()
 	// Traitgenes Pick from good traitgenes
@@ -53,12 +53,12 @@
 // Scramble UI or SE.
 /proc/scramble(var/UI, var/mob/M, var/prob)
 	if(!M || !(M.dna))	return
-	// Traitgenes edit begin - NO_SCAN and Synthetics cannot be mutated
+	// Traitgenes edit begin - NO_DNA and Synthetics cannot be mutated
 	if(M.isSynthetic())
 		return
 	if(ishuman(M))
 		var/mob/living/carbon/human/H = M
-		if(!H.species || H.species.flags & NO_SCAN)
+		if(!H.species || H.species.flags & NO_DNA)
 			return
 	// Traitgenes edit end
 	M.dna.check_integrity()
diff --git a/code/game/dna/dna_modifier.dm b/code/game/dna/dna_modifier.dm
index e990ebd0b8..9dc056d614 100644
--- a/code/game/dna/dna_modifier.dm
+++ b/code/game/dna/dna_modifier.dm
@@ -467,13 +467,13 @@
 		occupantData["name"] = WC.real_name
 		occupantData["stat"] = WC.stat
 		occupantData["isViableSubject"] = 1
-		// Traitgenes NO_SCAN and Synthetics cannot be mutated
+		// Traitgenes NO_DNA and Synthetics cannot be mutated
 		var/allowed = TRUE
 		if(WC.isSynthetic())
 			allowed = FALSE
 		if(ishuman(WC))
 			var/mob/living/carbon/human/H = WC
-			if(!H.species || (H.species.flags & NO_SCAN))
+			if(!H.species || (H.species.flags & NO_DNA))
 				allowed = FALSE
 		if(!allowed || (NOCLONE in WC.mutations) || !WC.dna)
 			occupantData["isViableSubject"] = 0
diff --git a/code/game/gamemodes/changeling/powers/absorb.dm b/code/game/gamemodes/changeling/powers/absorb.dm
index 1523855a12..8efc8f293f 100644
--- a/code/game/gamemodes/changeling/powers/absorb.dm
+++ b/code/game/gamemodes/changeling/powers/absorb.dm
@@ -24,7 +24,7 @@
 		to_chat(src, span_warning("\The [T] is not compatible with our biology."))
 		return
 
-	if(T.species.flags & NO_SCAN)
+	if(T.species.flags & (NO_DNA|NO_SLEEVE))
 		to_chat(src, span_warning("We do not know how to parse this creature's DNA!"))
 		return
 
diff --git a/code/game/gamemodes/changeling/powers/extract_dna_sting.dm b/code/game/gamemodes/changeling/powers/extract_dna_sting.dm
index 3806b0ef33..66bb36c499 100644
--- a/code/game/gamemodes/changeling/powers/extract_dna_sting.dm
+++ b/code/game/gamemodes/changeling/powers/extract_dna_sting.dm
@@ -27,7 +27,7 @@
 		to_chat(src, span_warning("\The [T] is not compatible with our biology."))
 		return 0
 
-	if(T.species.flags & NO_SCAN)
+	if(T.species.flags & (NO_DNA|NO_SLEEVE))
 		to_chat(src, span_warning("We do not know how to parse this creature's DNA!"))
 		return 0
 
diff --git a/code/game/machinery/cloning.dm b/code/game/machinery/cloning.dm
index eb95d8e60d..ccdc300201 100644
--- a/code/game/machinery/cloning.dm
+++ b/code/game/machinery/cloning.dm
@@ -335,7 +335,7 @@
 	eject_wait = 0 //If it's still set somehow.
 	if(ishuman(occupant)) //Need to be safe.
 		var/mob/living/carbon/human/patient = occupant
-		if(!(patient.species.flags & NO_SCAN)) //If, for some reason, someone makes a genetically-unalterable clone, let's not make them permanently disabled.
+		if(!(patient.species.flags & NO_DNA)) //If, for some reason, someone makes a genetically-unalterable clone, let's not make them permanently disabled.
 			domutcheck(occupant) //Waiting until they're out before possible transforming.
 			occupant.UpdateAppearance()
 	occupant = null
diff --git a/code/game/objects/items/weapons/dna_injector.dm b/code/game/objects/items/weapons/dna_injector.dm
index 02263b1f65..8f2ddab3f3 100644
--- a/code/game/objects/items/weapons/dna_injector.dm
+++ b/code/game/objects/items/weapons/dna_injector.dm
@@ -71,16 +71,16 @@
 		L.apply_effect(rand(5,20), IRRADIATE, check_protection = 0)
 		L.apply_damage(max(2,L.getCloneLoss()), CLONE)
 
-	// Traitgenes edit begin - NO_SCAN and Synthetics cannot be mutated
+	// Traitgenes edit begin - NO_DNA and Synthetics cannot be mutated
 	var/allow = TRUE
 	if(M.isSynthetic())
 		allow = FALSE
 	if(ishuman(M))
 		var/mob/living/carbon/human/H = M
-		if(!H.species || H.species.flags & NO_SCAN)
+		if(!H.species || H.species.flags & NO_DNA)
 			allow = FALSE
 	// Traitgenes edit end
-	if (!(NOCLONE in M.mutations) && allow) // prevents drained people from having their DNA changed, Traitgenes edit - NO_SCAN and Synthetics cannot be mutated
+	if (!(NOCLONE in M.mutations) && allow) // prevents drained people from having their DNA changed, Traitgenes edit - NO_DNA and Synthetics cannot be mutated
 		if(buf)
 			if (buf.types & DNA2_BUF_UI)
 				if (!block) //isolated block?
diff --git a/code/game/objects/structures/morgue.dm b/code/game/objects/structures/morgue.dm
index 140179f47b..995f2c6aaa 100644
--- a/code/game/objects/structures/morgue.dm
+++ b/code/game/objects/structures/morgue.dm
@@ -43,7 +43,7 @@
 			src.icon_state = "morgue2"
 			get_occupants()
 			for (var/mob/living/carbon/human/H in occupants)
-				if(H.isSynthetic() || H.suiciding || !H.ckey || !H.client || (NOCLONE in H.mutations) || (H.species && H.species.flags & NO_SCAN))
+				if(H.isSynthetic() || H.suiciding || !H.ckey || !H.client || (NOCLONE in H.mutations) || (H.species && H.species.flags & NO_SLEEVE))
 					src.icon_state = "morgue2"
 					break
 				else
diff --git a/code/modules/admin/player_effects.dm b/code/modules/admin/player_effects.dm
index 38ddb64bf3..db66c7dd7b 100644
--- a/code/modules/admin/player_effects.dm
+++ b/code/modules/admin/player_effects.dm
@@ -652,7 +652,7 @@
 			if(Tar.nif)
 				to_chat(user,span_warning("Target already has a NIF."))
 				return
-			if(Tar.species.flags & NO_SCAN)
+			if(Tar.species.flags & NO_DNA)
 				var/obj/item/nif/S = /obj/item/nif/bioadap
 				input_NIF = initial(S.name)
 				new /obj/item/nif/bioadap(Tar)
diff --git a/code/modules/admin/verbs/debug_ch.dm b/code/modules/admin/verbs/debug_ch.dm
index a00a71d736..3ae337676c 100644
--- a/code/modules/admin/verbs/debug_ch.dm
+++ b/code/modules/admin/verbs/debug_ch.dm
@@ -23,7 +23,7 @@
 		to_chat(usr,span_warning("Target already has a NIF."))
 		return
 
-	if(H.species.flags & NO_SCAN)
+	if(H.species.flags & NO_DNA)
 		new /obj/item/nif/authenticbio(H)
 	else
 		new /obj/item/nif/authentic(H)
diff --git a/code/modules/admin/verbs/debug_vr.dm b/code/modules/admin/verbs/debug_vr.dm
index 80d45c71dd..fe171d554d 100644
--- a/code/modules/admin/verbs/debug_vr.dm
+++ b/code/modules/admin/verbs/debug_vr.dm
@@ -25,7 +25,7 @@
 		to_chat(usr,span_warning("Target already has a NIF."))
 		return
 
-	if(H.species.flags & NO_SCAN)
+	if(H.species.flags & NO_DNA)
 		var/obj/item/nif/S = /obj/item/nif/bioadap
 		input_NIF = initial(S.name)
 		new /obj/item/nif/bioadap(H)
diff --git a/code/modules/client/preference_setup/general/03_body.dm b/code/modules/client/preference_setup/general/03_body.dm
index 12e7b527be..c11d2b63c9 100644
--- a/code/modules/client/preference_setup/general/03_body.dm
+++ b/code/modules/client/preference_setup/general/03_body.dm
@@ -1211,8 +1211,10 @@ var/global/list/valid_bloodtypes = list("A+", "A-", "B+", "B-", "AB+", "AB-", "O
 		dat += "</br>" + span_bold("Does not have a circulatory system.")
 	if(!current_species.has_organ[O_LUNGS])
 		dat += "</br>" + span_bold("Does not have a respiratory system.")
-	if(current_species.flags & NO_SCAN)
+	if(current_species.flags & NO_DNA)
 		dat += "</br>" + span_bold("Does not have DNA.")
+	if(current_species.flags & NO_SLEEVE)
+		dat += "</br>" + span_bold("Cannot be cloned.")
 	if(current_species.flags & NO_DEFIB)
 		dat += "</br>" + span_bold("Cannot be defibrillated.")
 	if(current_species.flags & NO_PAIN)
diff --git a/code/modules/mob/living/carbon/human/human.dm b/code/modules/mob/living/carbon/human/human.dm
index 179e3c04ca..86c92fbbab 100644
--- a/code/modules/mob/living/carbon/human/human.dm
+++ b/code/modules/mob/living/carbon/human/human.dm
@@ -1488,20 +1488,6 @@
 	else
 		return ..()
 
-/mob/living/carbon/human/getDNA()
-	if(species.flags & NO_SCAN)
-		return null
-	if(isSynthetic())
-		return
-	..()
-
-/mob/living/carbon/human/setDNA()
-	if(species.flags & NO_SCAN)
-		return
-	if(isSynthetic())
-		return
-	..()
-
 /mob/living/carbon/human/has_brain()
 	if(internal_organs_by_name[O_BRAIN])
 		var/obj/item/organ/brain = internal_organs_by_name[O_BRAIN]
diff --git a/code/modules/mob/living/carbon/human/human_damage.dm b/code/modules/mob/living/carbon/human/human_damage.dm
index a3bb293c70..2be1192bbc 100644
--- a/code/modules/mob/living/carbon/human/human_damage.dm
+++ b/code/modules/mob/living/carbon/human/human_damage.dm
@@ -246,13 +246,13 @@
 	..()
 
 /mob/living/carbon/human/proc/Stasis(amount)
-	if((species.flags & NO_SCAN) || isSynthetic())
+	if((species.flags & NO_DNA) || isSynthetic())
 		in_stasis = 0
 	else
 		in_stasis = amount
 
 /mob/living/carbon/human/proc/getStasis()
-	if((species.flags & NO_SCAN) || isSynthetic())
+	if((species.flags & NO_DNA) || isSynthetic())
 		return 0
 
 	return in_stasis
@@ -266,12 +266,12 @@
 	return 0
 
 /mob/living/carbon/human/getCloneLoss()
-	if((species.flags & NO_SCAN) || isSynthetic())
+	if((species.flags & NO_DNA) || isSynthetic())
 		cloneloss = 0
 	return ..()
 
 /mob/living/carbon/human/setCloneLoss(var/amount)
-	if((species.flags & NO_SCAN) || isSynthetic())
+	if((species.flags & NO_DNA) || isSynthetic())
 		cloneloss = 0
 	else
 		..()
@@ -279,7 +279,7 @@
 /mob/living/carbon/human/adjustCloneLoss(var/amount)
 	..()
 
-	if((species.flags & NO_SCAN) || isSynthetic())
+	if((species.flags & NO_DNA) || isSynthetic())
 		cloneloss = 0
 		return
 
diff --git a/code/modules/mob/living/carbon/human/human_organs.dm b/code/modules/mob/living/carbon/human/human_organs.dm
index 3d9596b436..710ca0fbfa 100644
--- a/code/modules/mob/living/carbon/human/human_organs.dm
+++ b/code/modules/mob/living/carbon/human/human_organs.dm
@@ -193,10 +193,10 @@
 	SHOULD_NOT_OVERRIDE(TRUE) //Don't. Even. /Think/. About. It.
 	if(!dna || !species)
 		return
-	// Traitgenes NO_SCAN and Synthetics cannot be mutated
+	// Traitgenes NO_DNA and Synthetics cannot be mutated
 	if(isSynthetic())
 		return
-	if(species.flags & NO_SCAN)
+	if(species.flags & NO_DNA)
 		return
 	if(refresh_traits && species.traits)
 		for(var/TR in species.traits)
diff --git a/code/modules/mob/living/carbon/human/species/lleill/lleill.dm b/code/modules/mob/living/carbon/human/species/lleill/lleill.dm
index e8785ecee1..222be47edd 100644
--- a/code/modules/mob/living/carbon/human/species/lleill/lleill.dm
+++ b/code/modules/mob/living/carbon/human/species/lleill/lleill.dm
@@ -21,7 +21,7 @@
 	language = LANGUAGE_LLEILL
 	name_language = LANGUAGE_LLEILL
 
-	flags =  NO_SCAN | NO_MINOR_CUT | NO_INFECT |  NO_HALLUCINATION
+	flags =  NO_SLEEVE | NO_MINOR_CUT | NO_INFECT |  NO_HALLUCINATION
 	spawn_flags = SPECIES_CAN_JOIN | SPECIES_IS_WHITELISTED | SPECIES_WHITELIST_SELECTABLE
 	appearance_flags = HAS_HAIR_COLOR | HAS_LIPS | HAS_SKIN_COLOR | HAS_EYE_COLOR | HAS_UNDERWEAR
 
diff --git a/code/modules/mob/living/carbon/human/species/outsider/event.dm b/code/modules/mob/living/carbon/human/species/outsider/event.dm
index 32c3314b0b..ae0dc3b23e 100644
--- a/code/modules/mob/living/carbon/human/species/outsider/event.dm
+++ b/code/modules/mob/living/carbon/human/species/outsider/event.dm
@@ -197,7 +197,10 @@ Variables you may want to make use of are:
 	flags ^= NO_SLIP
 
 /datum/species/event1/proc/toggle_cloning()
-	flags ^= NO_SCAN
+	flags ^= NO_SLEEVE
+
+/datum/species/event1/proc/toggle_dna()
+	flags ^= NO_DNA
 
 /datum/species/event1/proc/toggle_defibbing()
 	flags ^= NO_DEFIB
diff --git a/code/modules/mob/living/carbon/human/species/outsider/shadow.dm b/code/modules/mob/living/carbon/human/species/outsider/shadow.dm
index b49645029b..8d216762ce 100644
--- a/code/modules/mob/living/carbon/human/species/outsider/shadow.dm
+++ b/code/modules/mob/living/carbon/human/species/outsider/shadow.dm
@@ -24,7 +24,7 @@
 	remains_type = /obj/effect/decal/cleanable/ash
 	death_message = "dissolves into ash..."
 
-	flags = NO_SCAN | NO_SLIP | NO_POISON | NO_MINOR_CUT | NO_DEFIB
+	flags = NO_DNA | NO_SLEEVE | NO_SLIP | NO_POISON | NO_MINOR_CUT | NO_DEFIB
 	spawn_flags = SPECIES_IS_RESTRICTED
 
 	genders = list(NEUTER)
diff --git a/code/modules/mob/living/carbon/human/species/outsider/skeleton.dm b/code/modules/mob/living/carbon/human/species/outsider/skeleton.dm
index 7d4035839d..b8f66b188c 100644
--- a/code/modules/mob/living/carbon/human/species/outsider/skeleton.dm
+++ b/code/modules/mob/living/carbon/human/species/outsider/skeleton.dm
@@ -11,7 +11,7 @@
 	max_age = 110
 	health_hud_intensity = 1.5
 
-	flags = NO_SCAN | NO_PAIN | NO_SLIP | NO_POISON | NO_MINOR_CUT | NO_BLOOD | UNDEAD | NO_DEFIB
+	flags = NO_DNA | NO_SLEEVE | NO_PAIN | NO_SLIP | NO_POISON | NO_MINOR_CUT | NO_BLOOD | UNDEAD | NO_DEFIB
 	spawn_flags = SPECIES_IS_RESTRICTED
 	appearance_flags = null
 
diff --git a/code/modules/mob/living/carbon/human/species/outsider/vox.dm b/code/modules/mob/living/carbon/human/species/outsider/vox.dm
index d60f524c29..e1c519a39e 100644
--- a/code/modules/mob/living/carbon/human/species/outsider/vox.dm
+++ b/code/modules/mob/living/carbon/human/species/outsider/vox.dm
@@ -54,7 +54,7 @@
 	ideal_air_type = /datum/gas_mixture/belly_air/vox
 	siemens_coefficient = 0.2
 
-	flags = NO_SCAN
+	flags = NO_DNA | NO_SLEEVE | NO_DEFIB
 	spawn_flags = SPECIES_IS_WHITELISTED
 	appearance_flags = HAS_EYE_COLOR | HAS_HAIR_COLOR | HAS_SKIN_COLOR
 
diff --git a/code/modules/mob/living/carbon/human/species/shadekin/shadekin.dm b/code/modules/mob/living/carbon/human/species/shadekin/shadekin.dm
index 599897c1f5..950b970eb1 100644
--- a/code/modules/mob/living/carbon/human/species/shadekin/shadekin.dm
+++ b/code/modules/mob/living/carbon/human/species/shadekin/shadekin.dm
@@ -50,7 +50,7 @@
 	heat_level_2 = 1000
 	heat_level_3 = 1150
 
-	flags =  NO_SCAN | NO_MINOR_CUT | NO_INFECT
+	flags =  NO_DNA | NO_SLEEVE | NO_MINOR_CUT | NO_INFECT
 	spawn_flags = SPECIES_CAN_JOIN | SPECIES_IS_WHITELISTED | SPECIES_WHITELIST_SELECTABLE
 
 	reagent_tag = IS_SHADEKIN		// for shadekin-unqiue chem interactions
diff --git a/code/modules/mob/living/carbon/human/species/station/alraune.dm b/code/modules/mob/living/carbon/human/species/station/alraune.dm
index cc70b3942c..db8fa52e99 100644
--- a/code/modules/mob/living/carbon/human/species/station/alraune.dm
+++ b/code/modules/mob/living/carbon/human/species/station/alraune.dm
@@ -48,7 +48,7 @@
 	breath_heat_level_3 = 800 //lower incineration threshold though
 
 	spawn_flags = SPECIES_CAN_JOIN
-	flags = NO_SCAN | IS_PLANT | NO_MINOR_CUT
+	flags = NO_DNA | NO_SLEEVE | IS_PLANT | NO_MINOR_CUT
 	appearance_flags = HAS_HAIR_COLOR | HAS_LIPS | HAS_UNDERWEAR | HAS_SKIN_COLOR | HAS_EYE_COLOR
 
 	inherent_verbs = list(/mob/living/carbon/human/proc/alraune_fruit_select, //Give them the voremodes related to wrapping people in vines and sapping their fluids
diff --git a/code/modules/mob/living/carbon/human/species/station/golem.dm b/code/modules/mob/living/carbon/human/species/station/golem.dm
index fe499b706b..ca02555758 100644
--- a/code/modules/mob/living/carbon/human/species/station/golem.dm
+++ b/code/modules/mob/living/carbon/human/species/station/golem.dm
@@ -7,7 +7,7 @@
 
 	language = "Sol Common" //todo?
 	unarmed_types = list(/datum/unarmed_attack/stomp, /datum/unarmed_attack/kick, /datum/unarmed_attack/punch)
-	flags = NO_PAIN | NO_SCAN | NO_POISON | NO_MINOR_CUT | NO_DEFIB
+	flags = NO_PAIN | NO_DNA | NO_SLEEVE | NO_POISON | NO_MINOR_CUT | NO_DEFIB
 	spawn_flags = SPECIES_IS_RESTRICTED
 	siemens_coefficient = 0
 
diff --git a/code/modules/mob/living/carbon/human/species/station/prometheans.dm b/code/modules/mob/living/carbon/human/species/station/prometheans.dm
index e542da05f1..343fd08319 100644
--- a/code/modules/mob/living/carbon/human/species/station/prometheans.dm
+++ b/code/modules/mob/living/carbon/human/species/station/prometheans.dm
@@ -25,7 +25,7 @@ var/datum/species/shapeshifter/promethean/prometheans
 	bump_flag =        SLIME
 	swap_flags =       MONKEY|SLIME|SIMPLE_ANIMAL
 	push_flags =       MONKEY|SLIME|SIMPLE_ANIMAL
-	flags =            NO_SCAN | NO_SLIP | NO_MINOR_CUT | NO_HALLUCINATION | NO_INFECT | NO_DEFIB
+	flags =            NO_DNA | NO_SLEEVE | NO_SLIP | NO_MINOR_CUT | NO_HALLUCINATION | NO_INFECT | NO_DEFIB
 	appearance_flags = HAS_SKIN_COLOR | HAS_EYE_COLOR | HAS_HAIR_COLOR | RADIATION_GLOWS | HAS_UNDERWEAR
 	spawn_flags		 = SPECIES_CAN_JOIN
 	health_hud_intensity = 2
diff --git a/code/modules/mob/living/carbon/human/species/station/protean_vr/protean_species.dm b/code/modules/mob/living/carbon/human/species/station/protean_vr/protean_species.dm
index 2b5cbee261..3bb3925d52 100755
--- a/code/modules/mob/living/carbon/human/species/station/protean_vr/protean_species.dm
+++ b/code/modules/mob/living/carbon/human/species/station/protean_vr/protean_species.dm
@@ -18,7 +18,7 @@
 	flesh_color = "#505050"
 	base_color = "#FFFFFF" //Color mult, start out with this
 
-	flags =            NO_SCAN | NO_SLIP | NO_MINOR_CUT | NO_HALLUCINATION | NO_INFECT | NO_PAIN
+	flags =            NO_DNA | NO_SLEEVE | NO_SLIP | NO_MINOR_CUT | NO_HALLUCINATION | NO_INFECT | NO_PAIN
 	appearance_flags = HAS_SKIN_COLOR | HAS_EYE_COLOR | HAS_HAIR_COLOR | HAS_UNDERWEAR | HAS_LIPS
 	spawn_flags		 = SPECIES_CAN_JOIN | SPECIES_IS_WHITELISTED | SPECIES_WHITELIST_SELECTABLE
 	health_hud_intensity = 2
diff --git a/code/modules/mob/living/carbon/human/species/station/station.dm b/code/modules/mob/living/carbon/human/species/station/station.dm
index 6df2074473..0a168a9519 100644
--- a/code/modules/mob/living/carbon/human/species/station/station.dm
+++ b/code/modules/mob/living/carbon/human/species/station/station.dm
@@ -626,7 +626,7 @@
 
 	body_temperature = T0C + 15		//make the plant people have a bit lower body temperature, why not
 
-	flags = NO_SCAN | IS_PLANT | NO_PAIN | NO_SLIP | NO_MINOR_CUT | NO_DEFIB
+	flags = NO_DNA | NO_SLEEVE | IS_PLANT | NO_PAIN | NO_SLIP | NO_MINOR_CUT | NO_DEFIB
 	spawn_flags = SPECIES_CAN_JOIN
 
 	blood_color = "#004400"
diff --git a/code/modules/mob/living/carbon/human/species/station/station_special_vr.dm b/code/modules/mob/living/carbon/human/species/station/station_special_vr.dm
index f4f6bfca0a..9e5d108974 100644
--- a/code/modules/mob/living/carbon/human/species/station/station_special_vr.dm
+++ b/code/modules/mob/living/carbon/human/species/station/station_special_vr.dm
@@ -56,7 +56,7 @@
 	//primitive_form = SPECIES_MONKEY_TAJ
 
 	spawn_flags = SPECIES_CAN_JOIN | SPECIES_IS_WHITELISTED | SPECIES_WHITELIST_SELECTABLE//Whitelisted as restricted is broken.
-	flags = NO_SCAN | NO_INFECT // | NO_DEFIB // Dying as a chimera is, quite literally, a death sentence. Well, if it wasn't for their revive, that is. Leaving NO_DEFIB there for the future/in case reversion to old 'chimera no-defib.
+	flags = NO_SLEEVE | NO_DNA | NO_INFECT // | NO_DEFIB // Dying as a chimera is, quite literally, a death sentence. Well, if it wasn't for their revive, that is. Leaving NO_DEFIB there for the future/in case reversion to old 'chimera no-defib.
 	appearance_flags = HAS_HAIR_COLOR | HAS_LIPS | HAS_UNDERWEAR | HAS_SKIN_COLOR | HAS_EYE_COLOR
 
 	genders = list(MALE, FEMALE, PLURAL, NEUTER)
diff --git a/code/modules/mob/living/carbon/human/species/station/station_vr.dm b/code/modules/mob/living/carbon/human/species/station/station_vr.dm
index e6f266c4e4..b6fe9213b4 100644
--- a/code/modules/mob/living/carbon/human/species/station/station_vr.dm
+++ b/code/modules/mob/living/carbon/human/species/station/station_vr.dm
@@ -544,7 +544,7 @@
 	heat_level_2 = 1000
 	heat_level_3 = 1150
 
-	flags =  NO_SCAN
+	flags =  NO_DNA | NO_SLEEVE
 	spawn_flags = SPECIES_IS_RESTRICTED //SPECIES_CAN_JOIN | SPECIES_IS_WHITELISTED | SPECIES_WHITELIST_SELECTABLE CHOMPedit: disabled maybe forever
 
 	reagent_tag = IS_SHADEKIN		// for shadekin-unqiue chem interactions
diff --git a/code/modules/mob/living/carbon/human/species/station/traits_vr/negative.dm b/code/modules/mob/living/carbon/human/species/station/traits_vr/negative.dm
index bb76d75c84..1329f2dabd 100644
--- a/code/modules/mob/living/carbon/human/species/station/traits_vr/negative.dm
+++ b/code/modules/mob/living/carbon/human/species/station/traits_vr/negative.dm
@@ -704,3 +704,28 @@
 	cost = -5
 	var_changes = list("dirtslip" = TRUE)
 	excludes = list(/datum/trait/positive/absorbent) // CHOMPAdd
+
+/datum/trait/negative/nodefib
+	name = "Unreviveable"
+	desc = "For whatever strange genetic reason, defibs cannot restart your heart."
+	cost = -1
+	custom_only = FALSE
+	var_changes = list("flags" = NO_DEFIB)
+	can_take = ORGANICS
+	excludes = list(/datum/trait/negative/noresleeve, /datum/trait/negative/onelife)
+
+/datum/trait/negative/noresleeve
+	name = "Unsleeveable"
+	desc = "Your genetics have been ruined, to the point where resleeving can no longer bring you back. Your DNA is unappealing to slimes as a result." //The autoresleever still resleeves on Virgo as that section has been commented out, but eh, whatever. It's not really a big concern. -1+-1 = -2 is all I care about.
+	cost = -1
+	custom_only = TRUE
+	var_changes = list("flags" = NO_SLEEVE)
+	excludes = list(/datum/trait/negative/nodefib, /datum/trait/negative/onelife)
+
+/datum/trait/negative/onelife
+	name = "One Life"
+	desc = "Once you are dead, you are incapable of being resleeved or revived using a defib."
+	cost = -2
+	custom_only = TRUE
+	var_changes = list("flags" = NO_SLEEVE | NO_DEFIB)
+	excludes = list(/datum/trait/negative/nodefib, /datum/trait/negative/noresleeve)
diff --git a/code/modules/mob/living/carbon/human/species/station/traits_vr/positive.dm b/code/modules/mob/living/carbon/human/species/station/traits_vr/positive.dm
index 0e41e91c31..84ca2a539d 100644
--- a/code/modules/mob/living/carbon/human/species/station/traits_vr/positive.dm
+++ b/code/modules/mob/living/carbon/human/species/station/traits_vr/positive.dm
@@ -405,3 +405,10 @@
 /datum/trait/positive/vibration_sense/unapply(datum/species/S, mob/living/carbon/human/H, trait_prefs)
 	. = ..()
 	H.motiontracker_unsubscribe()
+
+/datum/trait/positive/stable_genetics
+	name = "Stable Genetics"
+	desc = "Your genetics are extraordinarily stable, with your DNA being immune to any changes, including slimes!"
+	cost = 2
+	custom_only = TRUE
+	var_changes = list("flags" = NO_DNA)
diff --git a/code/modules/mob/living/carbon/human/species/station/traits_vr/trait.dm b/code/modules/mob/living/carbon/human/species/station/traits_vr/trait.dm
index c4c1563e2c..6e6d1aa5b6 100644
--- a/code/modules/mob/living/carbon/human/species/station/traits_vr/trait.dm
+++ b/code/modules/mob/living/carbon/human/species/station/traits_vr/trait.dm
@@ -49,7 +49,10 @@
 	ASSERT(S)
 	if(var_changes)
 		for(var/V in var_changes)
-			S.vars[V] = var_changes[V]
+			if(V == "flags") // Is bitflag, implimentation means traits can only GIVE you flags, not remove them.
+				S.vars[V] |= var_changes[V]
+			else
+				S.vars[V] = var_changes[V]
 	if (trait_prefs)
 		for (var/trait in trait_prefs)
 			switch(has_preferences[trait][3])
@@ -77,7 +80,11 @@
 	ASSERT(S)
 	if(var_changes)
 		for(var/V in var_changes)
-			S.vars[V] = initial(S.vars[V])
+			if(V == "flags") // Is bitflag, this assumes traits can only ever GIVE you flags.
+				if(!(initial(S.vars[V]) & var_changes[V]))
+					S.vars[V] &= ~var_changes[V]
+			else
+				S.vars[V] = initial(S.vars[V])
 	if (trait_prefs)
 		for (var/trait in trait_prefs)
 			switch(has_preferences[trait][3])
diff --git a/code/modules/mob/living/carbon/human/species/xenomorphs/alien_species.dm b/code/modules/mob/living/carbon/human/species/xenomorphs/alien_species.dm
index be96d9a596..00475e80b6 100644
--- a/code/modules/mob/living/carbon/human/species/xenomorphs/alien_species.dm
+++ b/code/modules/mob/living/carbon/human/species/xenomorphs/alien_species.dm
@@ -24,7 +24,7 @@
 	cold_level_2 = -1
 	cold_level_3 = -1
 
-	flags =  NO_SCAN | NO_PAIN | NO_SLIP | NO_POISON | NO_MINOR_CUT | NO_INFECT | NO_DEFIB
+	flags =  NO_DNA | NO_SLEEVE | NO_PAIN | NO_SLIP | NO_POISON | NO_MINOR_CUT | NO_INFECT | NO_DEFIB
 	spawn_flags = SPECIES_IS_RESTRICTED
 
 	reagent_tag = IS_XENOS
diff --git a/code/modules/mob/living/simple_mob/subtypes/slime/xenobio/consumption.dm b/code/modules/mob/living/simple_mob/subtypes/slime/xenobio/consumption.dm
index 6aa44b5c3f..7197c9266f 100644
--- a/code/modules/mob/living/simple_mob/subtypes/slime/xenobio/consumption.dm
+++ b/code/modules/mob/living/simple_mob/subtypes/slime/xenobio/consumption.dm
@@ -138,7 +138,7 @@
 	//VOREStation Addition start
 	if(ishuman(L))
 		var/mob/living/carbon/human/H = L
-		if(H.species.flags & NO_SCAN)
+		if(H.species.flags & (NO_DNA|NO_SLEEVE))
 			to_chat(src, "This subject's life energy is beyond my reach...")
 			return FALSE
 	//VOREStation Addition end
diff --git a/code/modules/nifsoft/nif.dm b/code/modules/nifsoft/nif.dm
index dd55cff3b5..e11f5cf159 100644
--- a/code/modules/nifsoft/nif.dm
+++ b/code/modules/nifsoft/nif.dm
@@ -119,7 +119,7 @@ You can also set the stat of a NIF to NIF_TEMPFAIL without any issues to disable
 		should_be_in = brain.parent_organ
 
 	if(istype(H) && !H.nif && H.species && (loc == H.get_organ(should_be_in)))
-		if(!bioadap && (H.species.flags & NO_SCAN)) //NO_SCAN is the default 'too complicated' flag
+		if(!bioadap && (H.species.flags & NO_DNA)) //NO_DNA is the default 'too complicated' flag
 			return FALSE
 
 		human = H
diff --git a/code/modules/reagents/reagents/toxins.dm b/code/modules/reagents/reagents/toxins.dm
index bf95c1a8ea..b64cabe252 100644
--- a/code/modules/reagents/reagents/toxins.dm
+++ b/code/modules/reagents/reagents/toxins.dm
@@ -615,7 +615,7 @@
 						H.b_hair = max(0, min(255, H.b_hair + color_shift))
 					if(H.b_facial)
 						H.b_facial = max(0, min(255, H.b_facial + color_shift))
-		if(H.species.flags & NO_SCAN)
+		if(H.species.flags & NO_DNA)
 			return
 
 //The original coder comment here wanted it to be "Approx. one mutation per 10 injected/20 ingested/30 touching units"
@@ -887,7 +887,7 @@
 		return
 
 	var/mob/living/carbon/human/H = M
-	if(istype(H) && (H.species.flags & NO_SCAN))
+	if(istype(H) && (H.species.flags & NO_DNA))
 		return
 
 	if(M.dna)
@@ -913,7 +913,7 @@
 		return
 
 	var/mob/living/carbon/human/H = M
-	if(istype(H) && (H.species.flags & NO_SCAN))
+	if(istype(H) && (H.species.flags & NO_DNA))
 		return
 
 	if(M.dna)
diff --git a/code/modules/resleeving/autoresleever.dm b/code/modules/resleeving/autoresleever.dm
index d7be416618..516e235413 100644
--- a/code/modules/resleeving/autoresleever.dm
+++ b/code/modules/resleeving/autoresleever.dm
@@ -80,6 +80,7 @@
 		return
 
 	// CHOMPedit start
+
 	var/datum/species/chosen_species
 	if(ghost.client.prefs.species) // In case we somehow don't have a species set here.
 		chosen_species = GLOB.all_species[ghost_client.prefs.species]
diff --git a/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/negative.dm b/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/negative.dm
index 38ece3b1d3..6df92b197a 100644
--- a/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/negative.dm
+++ b/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/negative.dm
@@ -48,23 +48,6 @@
 	..()
 	H.add_modifier(/datum/modifier/trait/majorempweakness)
 
-/datum/trait/negative/nodefib
-	name = "Unreviveable"
-	desc = "For whatever strange genetic reason, defibs cannot restart your heart."
-	cost = 0
-	custom_only = FALSE
-	var_changes = list("flags" = NO_DEFIB)
-	can_take = ORGANICS //Mostly because I think synth code bypasses the no defib thing. Or maybe that is just vox
-	excludes = list(/datum/trait/negative/noresleeve) //No, just, no
-
-/datum/trait/negative/noresleeve
-	name = "Unsleeveable"
-	desc = "Your genetics have been ruined, to the point where resleeving can no longer bring you back, including the autoresleever."
-	cost = -1
-	custom_only = TRUE
-	var_changes = list("flags" = NO_SCAN)
-	excludes = list(/datum/trait/negative/nodefib) //No, just, no
-
 /datum/trait/negative/meltable
 	name = "Water Weakness"
 	desc = "Due to your biology, water is harmful to you."
@@ -81,14 +64,6 @@
 	var_changes = list("water_resistance" = 0, "water_damage_mod" = 0.8)
 	excludes = list(/datum/trait/negative/meltable)
 
-/datum/trait/negative/onelife
-	name = "One Life"
-	desc = "For whatever reason, once you dead, that is final."
-	cost = -2
-	custom_only = TRUE
-	var_changes = list("flags" = NO_SCAN | NO_DEFIB)
-	excludes = list(/datum/trait/negative/nodefib, /datum/trait/negative/noresleeve)
-
 /datum/trait/negative/lightweight_light
 	name = "Lesser Lightweight"
 	desc = "Your light weight and poor balance make you very susceptible to unhelpful bumping if you are unprepared)"
diff --git a/modular_chomp/code/modules/mob/living/simple_mob/subtypes/metroid/metConsumption.dm b/modular_chomp/code/modules/mob/living/simple_mob/subtypes/metroid/metConsumption.dm
index 24b492a789..357679af7a 100644
--- a/modular_chomp/code/modules/mob/living/simple_mob/subtypes/metroid/metConsumption.dm
+++ b/modular_chomp/code/modules/mob/living/simple_mob/subtypes/metroid/metConsumption.dm
@@ -102,10 +102,10 @@
 	if(L.getCloneLoss() >= L.getMaxHealth() * 1.5)
 		to_chat(src, "This subject does not have an edible life energy...")
 		return FALSE
-	//VOREStation Addition start
+	//VOREStation Addition start //This is a modular_chomp file... why is there a vorestation edit? TODO: Reassess this file. Port upstream if needed.
 	if(istype(L, /mob/living/carbon/human))
 		var/mob/living/carbon/human/H = L
-		if(H.species.flags & NO_SCAN)
+		if(H.species.flags & NO_DNA)
 			to_chat(src, "This subject's life energy is beyond my reach...")
 			return FALSE
 	//VOREStation Addition end