DNA Marker Index information for Chromosome: M Marker: C12858TNames and Aliases for this DNA Marker: C12858T, C12858, i4001275, rs879012050.Chromosome Position in hg38 Human Genome assembly1: 12858.Chromosome Position in hg19 assembly2: 12858 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.