DNA Marker Index information for Chromosome: Y Marker: CTS10421Names and Aliases for this DNA Marker: CTS10421, S4693, rs765520642.Chromosome Position in hg38 Human Genome assembly1: 17335943.Chromosome Position in hg19 assembly2: 19447823 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.