Table 1. Penetrance of abnormalities in phenylhydrazine-treated surface fish and cavefish embryos.
| Morph | PHZ concentration | % edema | % defective notochord |
|---|---|---|---|
| SF | 0 | 0 | 0 |
| CF | 0 | 0 | 0 |
| SF | 1 | 4.1 | 87.5 |
| CF | 1 | 0 | 41.7 |
| SF | 2 | 75.0 | 100 |
| CF | 2 | 8.3 | 87.5 |
| SF | 3 | 95.8 | 100 |
| CF | 3 | 25.0 | 100 |
PHZ: phenylhydrazine. SF: surface fish. CF: cavefish. N = 24 for each morph treatment.