DNA Marker Index information for Chromosome: M Marker: G7664ANames and Aliases for this DNA Marker: G7664A, G7664, rs879139393.Chromosome Position in hg38 Human Genome assembly1: 7664.Chromosome Position in hg19 assembly2: 7664 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.