DNA Marker Index information for Chromosome: Y Marker: BY22421.2Names and Aliases for this DNA Marker: BY22421.2, rs779586891.Chromosome Position in hg38 Human Genome assembly1: 20917511.Chromosome Position in hg19 assembly2: 23079397 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.