DNA Marker Index information for Chromosome: Y Marker: CTS8642.1Names and Aliases for this DNA Marker: CTS8642.1, CTS8642, rs749582300.Chromosome Position in hg38 Human Genome assembly1: 16013270.Chromosome Position in hg19 assembly2: 18125150 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.