DNA Marker Index information for Chromosome: M Marker: G7642ANames and Aliases for this DNA Marker: G7642A, G7642, i3000639.Chromosome Position in hg38 Human Genome assembly1: 7642.Chromosome Position in hg19 assembly2: 7642 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.