DNA Marker Index information for Chromosome: Y Marker: CTS2123.1Names and Aliases for this DNA Marker: CTS2123.1, CTS2123, S4350.1, S4350, rs770427331.Chromosome Position in hg38 Human Genome assembly1: 12069034.Chromosome Position in hg19 assembly2: 14189740 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.