DNA Marker Index information for Chromosome: Y Marker: FGC20764Names and Aliases for this DNA Marker: FGC20764, V3505, rs560357026.Chromosome Position in hg38 Human Genome assembly1: 16692544.Chromosome Position in hg19 assembly2: 18804424 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.