DNA Marker Index information for Chromosome: M Marker: J2b1a2zcNames and Aliases for this DNA Marker: J2b1a2zc.Chromosome Position in hg38 Human Genome assembly1: 3348.Chromosome Position in hg19 assembly2: 3348 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.