DNA Marker Index information for Chromosome: M Marker: T12957CNames and Aliases for this DNA Marker: T12957C, T12957, i3001155, rs879047389.Chromosome Position in hg38 Human Genome assembly1: 12957.Chromosome Position in hg19 assembly2: 12957 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.