DNA Marker Index information for Chromosome: M Marker: T131CNames and Aliases for this DNA Marker: T131C, T131, i3001817, rs878935318.Chromosome Position in hg38 Human Genome assembly1: 131.Chromosome Position in hg19 assembly2: 131 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.