Haplogroup O-CTS1011 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O2a2b1a2a1a1a1a |
|---|---|
| Defining mutations | 4 |
| Downstream branches | 411 |
| Estimated age | 6,850 years |