Haplogroup O-F21044 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O1b1a1a1a1a1b1a1a |
|---|---|
| Defining mutations | 4 |
| Downstream branches | 52 |
| Estimated age | 2,220 years |