diff --git a/code/datums/dna.dm b/code/datums/dna.dm
index a034cf2c58c..b554b4141e6 100644
--- a/code/datums/dna.dm
+++ b/code/datums/dna.dm
@@ -231,9 +231,15 @@
 		update_instability(FALSE)
 		return
 
-/datum/dna/proc/is_same_as(datum/dna/D)
-	if(uni_identity == D.uni_identity && mutation_index == D.mutation_index && real_name == D.real_name)
-		if(species.type == D.species.type && features == D.features && blood_type == D.blood_type)
+/**
+ * Checks if two DNAs are practically the same by comparing their most defining features
+ *
+ * Arguments:
+ * * target_dna The DNA that we are comparing to
+ */
+/datum/dna/proc/is_same_as(datum/dna/target_dna)
+	if(uni_identity == target_dna.uni_identity && mutation_index == target_dna.mutation_index && real_name == target_dna.real_name)
+		if(species.type == target_dna.species.type && compare_list(features, target_dna.features) && blood_type == target_dna.blood_type)
 			return TRUE
 	return FALSE