/datum/subsystem/objects/proc/setupGenetics()
	var/list/avnums = new /list(DNA_STRUC_ENZYMES_BLOCKS)
	for(var/i=1, i<=DNA_STRUC_ENZYMES_BLOCKS, i++)
		avnums[i] = i
		CHECK_TICK

	for(var/A in subtypesof(/datum/mutation/human))
		var/datum/mutation/human/B = new A()
		if(B.dna_block == NON_SCANNABLE)
			continue
		B.dna_block = pick_n_take(avnums)
		if(B.quality == POSITIVE)
			good_mutations |= B
		else if(B.quality == NEGATIVE)
			bad_mutations |= B
		else if(B.quality == MINOR_NEGATIVE)
			not_good_mutations |= B
		CHECK_TICK