lethal - all die during embryonic stage | recessive
some die during embryonic stage | recessive
cephalopharyngeal skeleton
embryonic/larval hindgut | embryonic stage
embryonic Malpighian tubule
ventral denticle belt
The central part of the hindgut is tightly constricted in homozygous embryos and Malpighian tubules do not elongate.
Larval mouth parts and denticles poorly differentiated.