DNA Marker Index information for Chromosome: M Position Range: M7b1a1-a9Names and Aliases for this DNA Marker: M7b1a1-a9.Chromosome Position in hg38 Human Genome assembly1: 15857.Chromosome Position in hg19 assembly2: 15857 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.