DNA Marker Index information for Chromosome: M Marker: A2581GNames and Aliases for this DNA Marker: A2581G, A2581, i4000555, rs879150920.Chromosome Position in hg38 Human Genome assembly1: 2581.Chromosome Position in hg19 assembly2: 2581 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.