DNA Marker Index information for Chromosome: Y Marker: CTS833Names and Aliases for this DNA Marker: CTS833, M2139, rs543501406.Chromosome Position in hg38 Human Genome assembly1: 7172055.Chromosome Position in hg19 assembly2: 7040096 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.