DNA Marker Index information for Chromosome: M Marker: C12542TNames and Aliases for this DNA Marker: C12542T, C12542, rs201922401.Chromosome Position in hg38 Human Genome assembly1: 12542.Chromosome Position in hg19 assembly2: 12542 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.