DNA Marker Index information for Chromosome: Y Marker: Y257951.1Names and Aliases for this DNA Marker: Y257951.1, Y257951, rs995571173.Chromosome Position in hg38 Human Genome assembly1: 17311871.Chromosome Position in hg19 assembly2: 19423751 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.