DNA Marker Index information for Chromosome: M Marker: B4a1a1a16Names and Aliases for this DNA Marker: B4a1a1a16.Chromosome Position in hg38 Human Genome assembly1: 16182.Chromosome Position in hg19 assembly2: 16182 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.