DNA Marker Index information for Chromosome: Y Marker: FGC86637Names and Aliases for this DNA Marker: FGC86637, rs909018889.Chromosome Position in hg38 Human Genome assembly1: 20025408.Chromosome Position in hg19 assembly2: 22187294 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: G.