UAS regulatory sequences drive expression of an inverted repeat.
abnormal neuroanatomy | P-stage | somatic clone, with Scer\GAL4bsh.M.PT
medulla | P-stage | somatic clone, with Scer\GAL4bsh.M.PT
medulla intrinsic neuron Mi1 | P-stage | somatic clone, with Scer\GAL4bsh.M.PT
photoreceptor cell R8 | P-stage | somatic clone, with Scer\GAL4bsh.M.PT