DNA Marker Index information for Chromosome: Y Marker: BY177971.1Names and Aliases for this DNA Marker: BY177971.1, BY177971, Y157917.1, Y157917.Chromosome Position in hg38 Human Genome assembly1: 6864131.Chromosome Position in hg19 assembly2: 6732172 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.