DNA Marker Index information for Chromosome: M Marker: U5a1a2b1Names and Aliases for this DNA Marker: U5a1a2b1.Chromosome Position in hg38 Human Genome assembly1: 8269.Chromosome Position in hg19 assembly2: 8269 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.