DNA Marker Index information for Chromosome: M Marker: H13a1a1a20Names and Aliases for this DNA Marker: H13a1a1a20.Chromosome Position in hg38 Human Genome assembly1: 16181.Chromosome Position in hg19 assembly2: 16181 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.