DNA Marker Index information for Chromosome: Y Marker: F20731.1Names and Aliases for this DNA Marker: F20731.1, F20731, rs775843397.Chromosome Position in hg38 Human Genome assembly1: 14365879.Chromosome Position in hg19 assembly2: 16477759 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.