DNA Marker Index information for Chromosome: M Marker: G6257ANames and Aliases for this DNA Marker: G6257A, G6257, rs2856983.Chromosome Position in hg38 Human Genome assembly1: 6257.Chromosome Position in hg19 assembly2: 6257 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.