visible, with Scer\GAL4A9
wing vein | ectopic, with Scer\GAL4A9
Posterior cross veins expressing cv-2Un.Scer\UAS under the control of Scer\GAL4A9 develop normally, with occasional formation of additional veins.
Expression of two copies of cv-2Un.Scer\UAS under the control of Scer\GAL4en-e16E blocks posterior crossvein formation in adult wings.
Expression of cv-2Un.Scer\UAS under the control of Scer\GAL4A9 rescues the posterior crossvein defects seen in homozygous cv-2KO1 mutants.