DNA Marker Index information for Chromosome: M Marker: C4931TNames and Aliases for this DNA Marker: C4931T, C4931, i3002201, rs371851388.Chromosome Position in hg38 Human Genome assembly1: 4931.Chromosome Position in hg19 assembly2: 4931 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.