DNA Marker Index information for Chromosome: Y Marker: FGC39801Names and Aliases for this DNA Marker: FGC39801, Y18100, rs1481335918.Chromosome Position in hg38 Human Genome assembly1: 19500286.Chromosome Position in hg19 assembly2: 21662172 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.