DNA Marker Index information for Chromosome: M Marker: D4b2b2a2Names and Aliases for this DNA Marker: D4b2b2a2.Chromosome Position in hg38 Human Genome assembly1: 15754.Chromosome Position in hg19 assembly2: 15754 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.