DNA Marker Index information for Chromosome: M Marker: B4a1a1a3Names and Aliases for this DNA Marker: B4a1a1a3.Chromosome Position in hg38 Human Genome assembly1: 14470.Chromosome Position in hg19 assembly2: 14470 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.