DNA Marker Index information for Chromosome: Y Marker: BY33066Names and Aliases for this DNA Marker: BY33066, Y45494, rs781001841.Chromosome Position in hg38 Human Genome assembly1: 7070374.Chromosome Position in hg19 assembly2: 6938415 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.