DNA Marker Index information for Chromosome: M Marker: A6663GNames and Aliases for this DNA Marker: A6663G, A6663, i3000580, rs200784106.Chromosome Position in hg38 Human Genome assembly1: 6663.Chromosome Position in hg19 assembly2: 6663 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.