DNA Marker Index information for Chromosome: Y Marker: Y31901.1Names and Aliases for this DNA Marker: Y31901.1, Y31901.Chromosome Position in hg38 Human Genome assembly1: 19532716.Chromosome Position in hg19 assembly2: 21694602 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.