No detectable lesion.
lethal | recessive
embryonic/larval hindgut | embryonic stage
embryonic/larval proventriculus | embryonic stage
embryonic mandibular segment
embryonic maxillary segment
Homozygous embryos exhibit the 'tail-up' phenotype and defects in the mandible and maxilla. Hindgut is drastically reduced, proventriculus is absent. Occasional adult escapers are observed. Weak bowl allele.