DNA Marker Index information for Chromosome: Y Marker: S660Names and Aliases for this DNA Marker: S660, DF109, FGC4101, Y2845, rs754852822.Chromosome Position in hg38 Human Genome assembly1: 20378969.Chromosome Position in hg19 assembly2: 22540855 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.