DNA Marker Index information for Chromosome: M Marker: H1dg1aNames and Aliases for this DNA Marker: H1dg1a, H1b'c1, H1-f3a.Chromosome Position in hg38 Human Genome assembly1: 3903.Chromosome Position in hg19 assembly2: 3903 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.