DNA Marker Index information for Chromosome: M Marker: B4a1c2'Names and Aliases for this DNA Marker: B4a1c2', B4a1c-T146C!, B4a1c-a.Chromosome Position in hg38 Human Genome assembly1: 146.Chromosome Position in hg19 assembly2: 146 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.