DNA Marker Index information for Chromosome: Y Marker: BY56991.1Names and Aliases for this DNA Marker: BY56991.1, BY56991.Chromosome Position in hg38 Human Genome assembly1: 3007119.Chromosome Position in hg19 assembly2: 2875160 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.