DNA Marker Index information for Chromosome: Y Marker: FGC21564Names and Aliases for this DNA Marker: FGC21564, ZS4660, rs762851039.Chromosome Position in hg38 Human Genome assembly1: 16898698.Chromosome Position in hg19 assembly2: 19010578 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.