DNA Marker Index information for Chromosome: Y Marker: BY31680.1Names and Aliases for this DNA Marker: BY31680.1, BY31680.Chromosome Position in hg38 Human Genome assembly1: 20275546.Chromosome Position in hg19 assembly2: 22437432 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.