DNA Marker Index information for Chromosome: Y Marker: CTS64.1Names and Aliases for this DNA Marker: CTS64.1, CTS64, S4670, rs761088389.Chromosome Position in hg38 Human Genome assembly1: 2836406.Chromosome Position in hg19 assembly2: 2704447 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.