DNA Marker Index information for Chromosome: M Marker: M7c1c3a1bNames and Aliases for this DNA Marker: M7c1c3a1b.Chromosome Position in hg38 Human Genome assembly1: 4859.Chromosome Position in hg19 assembly2: 4859 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.