DNA Marker Index information for Chromosome: M Position Range: U5b2a1a-a1Names and Aliases for this DNA Marker: U5b2a1a-a1.Chromosome Position in hg38 Human Genome assembly1: 538.Chromosome Position in hg19 assembly2: 538 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.