DNA Marker Index information for Chromosome: M Marker: T12631CNames and Aliases for this DNA Marker: T12631C, T12631, i3001128.Chromosome Position in hg38 Human Genome assembly1: 12631.Chromosome Position in hg19 assembly2: 12631 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.