DNA Marker Index information for Chromosome: M Marker: A8420GNames and Aliases for this DNA Marker: A8420G, A8420, rs375408733.Chromosome Position in hg38 Human Genome assembly1: 8420.Chromosome Position in hg19 assembly2: 8420 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.