- head notched
The most anterior portion of the animal contains a V-shaped indentation.
- V lineages variant
The descendants of any of the V precursor cells (V1-V6) exhibit altered developmental programs compared to their counterparts in control animals.
- male V lineages variant
The descendants of any of the V precursor cells (V1-V6) in male animals, exhibit any variation in developmental programs compared to their counterparts in control animals.