DNA Marker Index information for Chromosome: Y Marker: FTB20197Names and Aliases for this DNA Marker: FTB20197, Y280621.Chromosome Position in hg38 Human Genome assembly1: 6145248.Chromosome Position in hg19 assembly2: 6013289 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.