DNA Marker Index information for Chromosome: M Marker: B4c1a1a2Names and Aliases for this DNA Marker: B4c1a1a2.Chromosome Position in hg38 Human Genome assembly1: 6164.Chromosome Position in hg19 assembly2: 6164 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.