Haplogroup I-BY3605 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | I2a1b1a2b1a2b1~ |
|---|---|
| Defining mutations | 5 |
| Downstream branches | 2 |
| Estimated age | 2,700 years |