DNA Marker Index information for Chromosome: Y Marker: FTG99681Names and Aliases for this DNA Marker: FTG99681, rs979820340.Chromosome Position in hg38 Human Genome assembly1: 6885357.Chromosome Position in hg19 assembly2: 6753398 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.