Haplogroup J-Z40002 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | J2a1a1b2a1b2a~ |
|---|---|
| Defining mutations | 5 |
| Downstream branches | 29 |
| Estimated age | 3,500 years |