Haplogroup O-CTS9678 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O2a2b1a1a1c1a1 |
|---|---|
| Defining mutations | 13 |
| Downstream branches | 455 |
| Estimated age | 4,930 years |