DNA Marker Index information for Chromosome: Y Marker: FGC261Names and Aliases for this DNA Marker: FGC261, rs1037871886.Chromosome Position in hg38 Human Genome assembly1: 16871832.Chromosome Position in hg19 assembly2: 18983712 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.