DNA Marker Index information for Chromosome: Y Marker: FTF18188Names and Aliases for this DNA Marker: FTF18188, Y250903.Chromosome Position in hg38 Human Genome assembly1: 13822131.Chromosome Position in hg19 assembly2: 15934011 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.