DNA Marker Index information for Chromosome: M Marker: C12239TNames and Aliases for this DNA Marker: C12239T, C12239, i3001092, rs376062400.Chromosome Position in hg38 Human Genome assembly1: 12239.Chromosome Position in hg19 assembly2: 12239 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.