Animals display variations in the structure, organization or path of the part of the axon that forms a bridge between body regions, compared to that in control animals.
Variations in the structure, organization or path of axon tracts that grow circumferentially around the animal in a single, directed trajectory to bridge the ventral and dorsal cords, compared to control animals.
Bilaterally symmetric cell fail to acquire specific left-right asymmetric properties such as L/R specific cell position, cell death or gene expression.