DNA Marker Index information for Chromosome: Y Marker: P311Names and Aliases for this DNA Marker: P311, PF6545, S128, rs9785659.Chromosome Position in hg38 Human Genome assembly1: 16136818.Chromosome Position in hg19 assembly2: 18248698 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.