Variation in Chrd-/-;Nog+/- neonatal defects
| Phenotypic group . | Relative frequency . |
|---|---|
| Midline class | 14 (53%) |
| Single nostril | 9 (35%) |
| Proboscis and synopthalmia/cyclopia | 4 (15%) |
| Cleft palate | 1 (4%) |
| Truncation class | 4 (15%) |
| Jaw class | 8 (31%) |
| Phenotypic group . | Relative frequency . |
|---|---|
| Midline class | 14 (53%) |
| Single nostril | 9 (35%) |
| Proboscis and synopthalmia/cyclopia | 4 (15%) |
| Cleft palate | 1 (4%) |
| Truncation class | 4 (15%) |
| Jaw class | 8 (31%) |
Frequency of rostral phenotypes calculated from a subset of 26 affectedChrd;Nog neonates from consecutive outbred litters. Mutant pups containing more than one type of defect were classified according to the most severe defect.