DNA Marker Index information for Chromosome: M Marker: H2a1n'aNames and Aliases for this DNA Marker: H2a1n'a, H2a1-a1.Chromosome Position in hg38 Human Genome assembly1: 269.Chromosome Position in hg19 assembly2: 269 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.