DNA Marker Index information for Chromosome: Y Marker: Y20939.1Names and Aliases for this DNA Marker: Y20939.1, Y20939.Chromosome Position in hg38 Human Genome assembly1: 14401564.Chromosome Position in hg19 assembly2: 16513444 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.