DNA Marker Index information for Chromosome: Y Marker: BY20834Names and Aliases for this DNA Marker: BY20834, S27575, rs3097069.Chromosome Position in hg38 Human Genome assembly1: 7269591.Chromosome Position in hg19 assembly2: 7137632 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.