DNA Marker Index information for Chromosome: Y Marker: FGC7921Names and Aliases for this DNA Marker: FGC7921, Y4959, Y5291, rs780325228.Chromosome Position in hg38 Human Genome assembly1: 15128094.Chromosome Position in hg19 assembly2: 17239974 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.