DNA Marker Index information for Chromosome: Y Marker: BY34520Names and Aliases for this DNA Marker: BY34520, Y131848, rs1051958469.Chromosome Position in hg38 Human Genome assembly1: 19674008.Chromosome Position in hg19 assembly2: 21835894 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.