DNA Marker Index information for Chromosome: M Marker: C12984TNames and Aliases for this DNA Marker: C12984T, C12984, i3001157.Chromosome Position in hg38 Human Genome assembly1: 12984.Chromosome Position in hg19 assembly2: 12984 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.