DNA Marker Index information for Chromosome: M Marker: T3423CNames and Aliases for this DNA Marker: T3423C, T3423, rs2856981.Chromosome Position in hg38 Human Genome assembly1: 3423.Chromosome Position in hg19 assembly2: 3423 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.