DNA Marker Index information for Chromosome: Y Marker: FTB99989Names and Aliases for this DNA Marker: FTB99989, rs888514191.Chromosome Position in hg38 Human Genome assembly1: 8647813.Chromosome Position in hg19 assembly2: 8515854 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.