DNA Marker Index information for Chromosome: M Marker: C4a1a3a1aNames and Aliases for this DNA Marker: C4a1a3a1a.Chromosome Position in hg38 Human Genome assembly1: 3644.Chromosome Position in hg19 assembly2: 3644 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.