DNA Marker Index information for Chromosome: Y Marker: BY139993.1Names and Aliases for this DNA Marker: BY139993.1, BY139993.Chromosome Position in hg38 Human Genome assembly1: 20517594.Chromosome Position in hg19 assembly2: 22679480 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.