DNA Marker Index information for Chromosome: Y Marker: L939.1Names and Aliases for this DNA Marker: L939.1, L939, L205.2, S239.2, rs769313908.Chromosome Position in hg38 Human Genome assembly1: 13365864.Chromosome Position in hg19 assembly2: 15477744 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.