DNA Marker Index information for Chromosome: Y Marker: CTS8450.2Names and Aliases for this DNA Marker: S4387, CTS8450.2, rs746734642.Chromosome Position in hg38 Human Genome assembly1: 15922709.Chromosome Position in hg19 assembly2: 18034589 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.