DNA Marker Index information for Chromosome: Y Marker: V7637Names and Aliases for this DNA Marker: V7637.1, V7637, S23035.5, 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.