DNA Marker Index information for Chromosome: Y Marker: FTD77890Names and Aliases for this DNA Marker: FTD77890, rs989991996.Chromosome Position in hg38 Human Genome assembly1: 13209282.Chromosome Position in hg19 assembly2: 15321164 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.