DNA Marker Index information for Chromosome: Y Marker: Y81912.1Names and Aliases for this DNA Marker: Y81912.1, Y81912.Chromosome Position in hg38 Human Genome assembly1: 3966776.Chromosome Position in hg19 assembly2: 3834817 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.