DNA Marker Index information for Chromosome: Y Marker: SK1640Names and Aliases for this DNA Marker: SK1640, YP3931, rs376749694.Chromosome Position in hg38 Human Genome assembly1: 13869690.Chromosome Position in hg19 assembly2: 15981570 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.