DNA Marker Index information for Chromosome: Y Marker: S23035.7Names and Aliases for this DNA Marker: S23035.7, V7637.2, rs779902146.Chromosome Position in hg38 Human Genome assembly1: 19243061.Chromosome Position in hg19 assembly2: 21404947 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.