DNA Marker Index information for Chromosome: M Marker: H1aaaNames and Aliases for this DNA Marker: H1aaa, H1-b, H1-C16278T!, H1ao'.Chromosome Position in hg38 Human Genome assembly1: 16278.Chromosome Position in hg19 assembly2: 16278 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.