DNA Marker Index information for Chromosome: Y Marker: CTS4648Names and Aliases for this DNA Marker: CTS4648, S4491, rs779062324.Chromosome Position in hg38 Human Genome assembly1: 13637757.Chromosome Position in hg19 assembly2: 15749637 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.