Internal deletion of P-element sequence, remaining sequence interferes with splicing of the primary P2 RNA.
lethal | recessive
larval abdominal 1 anterior commissure
larval abdominal 1 posterior commissure
larval abdominal 2 anterior commissure
larval abdominal 2 posterior commissure
larval abdominal 3 anterior commissure
larval abdominal 3 posterior commissure
larval abdominal 4 anterior commissure
larval abdominal 4 posterior commissure
larval abdominal 5 anterior commissure
larval abdominal 5 posterior commissure
larval abdominal 6 anterior commissure
larval abdominal 6 posterior commissure
larval abdominal 7 anterior commissure
larval abdominal 7 posterior commissure
larval abdominal 8 anterior commissure
larval abdominal 8 posterior commissure
Anterior and posterior commissures are not completely separated.