DNA Marker Index information for Chromosome: M Marker: U5b2a2b1Names and Aliases for this DNA Marker: U5b2a2b1.Chromosome Position in hg38 Human Genome assembly1: 4843.Chromosome Position in hg19 assembly2: 4843 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.