Haplogroup O-F254 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O2a2b1a1a1a1a1a1 |
|---|---|
| Defining mutations | 35 |
| Downstream branches | 290 |
| Estimated age | 2,400 years |