DNA Marker Index information for Chromosome: M Marker: D4h3a7b1aNames and Aliases for this DNA Marker: D4h3a7b1a, D4h3a9a1.Chromosome Position in hg38 Human Genome assembly1: 16249.Chromosome Position in hg19 assembly2: 16249 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.