Haplogroup O-A14788 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O1a1a1a1a1a1a2 |
|---|---|
| Defining mutations | 1 |
| Downstream branches | 1 |
| Estimated age | 2,200 years |