DNA Marker Index information for Chromosome: Y Marker: BY181081.1Names and Aliases for this DNA Marker: BY181081.1, BY181081, rs774858481.Chromosome Position in hg38 Human Genome assembly1: 7063834.Chromosome Position in hg19 assembly2: 6931875 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.