Insertion of a P{GawB} element.
Dllem212/Df(2R)Dll-MP is rescued by Scer\GAL4Dll-em212/DllUAS.cGa
The lethality of Scer\GAL4Dll-em212/Df(2R)Dll-MP flies is rescued by DllScer\UAS.cGa expressed under the control of Scer\GAL4Dll-em212, the rescued flies have an almost normal phenotype.