DNA Marker Index information for Chromosome: M Marker: H4a1a4b1Names and Aliases for this DNA Marker: H4a1a4b1.Chromosome Position in hg38 Human Genome assembly1: 16286.Chromosome Position in hg19 assembly2: 16286 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: G.