DNA Marker Index information for Chromosome: Y Marker: Y91901.1Names and Aliases for this DNA Marker: Y91901.1, Y91901, rs1020772149.Chromosome Position in hg38 Human Genome assembly1: 12540437.Chromosome Position in hg19 assembly2: 14652372 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.