DNA Marker Index information for Chromosome: Y Marker: S9517Names and Aliases for this DNA Marker: S9517, Z20773, rs866438865.Chromosome Position in hg38 Human Genome assembly1: 6976693.Chromosome Position in hg19 assembly2: 6844734 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.