DNA Marker Index information for Chromosome: M Marker: A12490GNames and Aliases for this DNA Marker: A12490G, A12490, i4000839.Chromosome Position in hg38 Human Genome assembly1: 12490.Chromosome Position in hg19 assembly2: 12490 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.