2 Children
| Identifier | Name | Description |
|---|---|---|
| WBPhenotype:0002463 | hookless | Male animals lack a copulatory hook. |
| WBPhenotype:0002464 | multiple hooks | Male animals exhibit multiple copulatory hooks. In wild type C. elegans males, a single hook is normally present. |
2 Parents
| Identifier | Name | Description |
|---|---|---|
| WBPhenotype:0001297 | male tail development variant | Any variation in the process whose specific outcome is the progression of the male tail over time, from its formation to the mature structure, compared to control. |
| WBPhenotype:0000624 | reproductive system development variant | Any variation in the progression of the reproductive system over time, from its formation to its mature state compared to control. |



