DNA Marker Index information for Chromosome: M Marker: B4c1b2c2aNames and Aliases for this DNA Marker: B4c1b2c2a.Chromosome Position in hg38 Human Genome assembly1: 5057.Chromosome Position in hg19 assembly2: 5057 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.