DNA Marker Index information for Chromosome: M Marker: G1664ANames and Aliases for this DNA Marker: G1664A, G1664, i3001993, rs200807305.Chromosome Position in hg38 Human Genome assembly1: 1664.Chromosome Position in hg19 assembly2: 1664 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.