DNA Marker Index information for Chromosome: Y Marker: Z16976Names and Aliases for this DNA Marker: Z16976, FGC13378, rs987743639.Chromosome Position in hg38 Human Genome assembly1: 20815458.Chromosome Position in hg19 assembly2: 22977344 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.