Expression of CtBPBasic.Scer\UAS.T:Zzzz\FLAG under the control of Scer\GAL4dpp.blk1 never results in wing notching.
Co-expression of CtBPBasic.Scer\UAS.T:Zzzz\FLAG and CtBPAcidic.Scer\UAS.T:Zzzz\FLAG under the control of Scer\GAL4dpp.blk1 results in significant wing notching.