Haplogroup I-PF4105 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | I2a1a1a1a1a4~ |
|---|---|
| Defining mutations | 19 |
| Downstream branches | 32 |
| Estimated age | 1,620 years |