DNA Marker Index information for Chromosome: Y Marker: BY177381.1Names and Aliases for this DNA Marker: BY177381.1, BY177381, Y156564.Chromosome Position in hg38 Human Genome assembly1: 20645981.Chromosome Position in hg19 assembly2: 22807867 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.