DNA Marker Index information for Chromosome: M Marker: J1c1b1a6bNames and Aliases for this DNA Marker: J1c1b1a6b.Chromosome Position in hg38 Human Genome assembly1: 15934.Chromosome Position in hg19 assembly2: 15934 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: del.