DNA Marker Index information for Chromosome: M Marker: C12135TNames and Aliases for this DNA Marker: C12135T, C12135, i3001079.Chromosome Position in hg38 Human Genome assembly1: 12135.Chromosome Position in hg19 assembly2: 12135 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.