DNA Marker Index information for Chromosome: Y Marker: FGC4020Names and Aliases for this DNA Marker: FGC4020, Y8859, rs774843822.Chromosome Position in hg38 Human Genome assembly1: 15117304.Chromosome Position in hg19 assembly2: 17229184 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.