DNA Marker Index information for Chromosome: Y Marker: BY20800.1Names and Aliases for this DNA Marker: BY20800.1, BY20800.Chromosome Position in hg38 Human Genome assembly1: 17953890.Chromosome Position in hg19 assembly2: 20065770 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.