DNA Marker Index information for Chromosome: Y Marker: CTS9551Names and Aliases for this DNA Marker: CTS9551, S4481, rs781512483.Chromosome Position in hg38 Human Genome assembly1: 16847991.Chromosome Position in hg19 assembly2: 18959871 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.