DNA Marker Index information for Chromosome: Y Marker: Z20821.2Names and Aliases for this DNA Marker: Z20821.2, Z20821, rs984939898.Chromosome Position in hg38 Human Genome assembly1: 11718000.Chromosome Position in hg19 assembly2: 13838706 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.