Haplogroup J-Y20889 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | J2a1a1a2b1b4a~ |
|---|---|
| Defining mutations | 24 |
| Downstream branches | 6 |
| Estimated age | 3,500 years |