DNA Marker Index information for Chromosome: M Marker: T12121CNames and Aliases for this DNA Marker: T12121C, T12121, i4000704, rs879137257.Chromosome Position in hg38 Human Genome assembly1: 12121.Chromosome Position in hg19 assembly2: 12121 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.