DNA Marker Index information for Chromosome: Y Marker: FTF18874Names and Aliases for this DNA Marker: FTF18874, rs1003517860.Chromosome Position in hg38 Human Genome assembly1: 19426504.Chromosome Position in hg19 assembly2: 21588390 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.