DNA Marker Index information for Chromosome: M Marker: A4231GNames and Aliases for this DNA Marker: A4231G, A4231, rs878929819.Chromosome Position in hg38 Human Genome assembly1: 4231.Chromosome Position in hg19 assembly2: 4231 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.