DNA Marker Index information for Chromosome: Y Marker: FTH18227Names and Aliases for this DNA Marker: FTH18227, rs939117769.Chromosome Position in hg38 Human Genome assembly1: 19117460.Chromosome Position in hg19 assembly2: 21279346 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.