DNA Marker Index information for Chromosome: Y Marker: Y20834.1Names and Aliases for this DNA Marker: Y20834.1, Y20834, Z40463.Chromosome Position in hg38 Human Genome assembly1: 17272376.Chromosome Position in hg19 assembly2: 19384256 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.