visible, with Scer\GAL4dpp.blk1
anterior crossvein, with Scer\GAL4dpp.blk1
submarginal wing cell, with Scer\GAL4dpp.blk1
Expression of B2004B2004 under the control of Scer\GAL4dpp.blk1 typically results in the anterior crossvein being missing and the submarginal cell of the wing is not flat.