DNA Marker Index information for Chromosome: Y Marker: F20227.1Names and Aliases for this DNA Marker: F20227.1, F20227, rs781671532.Chromosome Position in hg38 Human Genome assembly1: 13759096.Chromosome Position in hg19 assembly2: 15870976 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.