DNA Marker Index information for Chromosome: M Marker: T204CNames and Aliases for this DNA Marker: T204C, T204, i3002158, rs3135032.Chromosome Position in hg38 Human Genome assembly1: 204.Chromosome Position in hg19 assembly2: 204 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.