Haplogroup O-CTS6489 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O2a2a1a2a1a |
|---|---|
| Defining mutations | 3 |
| Downstream branches | 412 |
| Estimated age | 12,300 years |