DNA Marker Index information for Chromosome: M Marker: J2b1a5zb1Names and Aliases for this DNA Marker: J2b1a5zb1.Chromosome Position in hg38 Human Genome assembly1: 15538.Chromosome Position in hg19 assembly2: 15538 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.