Haplogroup O-F2173 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O2a2b1a2a1a2a1a |
|---|---|
| Defining mutations | 2 |
| Downstream branches | 141 |
| Estimated age | 4,370 years |