DNA Marker Index information for Chromosome: M Marker: G4991ANames and Aliases for this DNA Marker: G4991A, G4991, i3002207, rs386828958.Chromosome Position in hg38 Human Genome assembly1: 4991.Chromosome Position in hg19 assembly2: 4991 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.