DNA Marker Index information for Chromosome: M Marker: M21b2'Names and Aliases for this DNA Marker: M21b2', M21b-A210G, M21b-a.Chromosome Position in hg38 Human Genome assembly1: 210.Chromosome Position in hg19 assembly2: 210 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.