DNA Marker Index information for Chromosome: Y Marker: BY7503.1Names and Aliases for this DNA Marker: BY7503.1, BY7503, rs1032699576.Chromosome Position in hg38 Human Genome assembly1: 20485308.Chromosome Position in hg19 assembly2: 22647194 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.