Cell Movement/physiology; Drosophila Proteins/physiology; Endocytosis/physiology; ErbB Receptors/physiology; Protein Kinases/physiology; Receptor Protein-Tyrosine Kinases/physiology; Receptors, Invertebrate Peptide/physiology; Signal Transduction/physiology; Animals; Carrier Proteins/genetics; Carrier Proteins/physiology; Drosophila; Drosophila Proteins/genetics; Endosomal Sorting Complexes Required for Transport; ErbB Receptors/genetics; Female; Guanine Nucleotide Exchange Factors; Mutation; Oocytes/physiology; Phosphoproteins/genetics; Phosphoproteins/physiology; Protein Kinases/genetics; Proto-Oncogene Proteins/genetics; Proto-Oncogene Proteins/physiology; Proto-Oncogene Proteins c-cbl; Receptor Protein-Tyrosine Kinases/genetics; Receptors, Invertebrate Peptide/genetics; Receptors, Platelet-Derived Growth Factor/genetics; Receptors, Platelet-Derived Growth Factor/physiology; Receptors, Vascular Endothelial Growth Factor/genetics; Receptors, Vascular Endothelial Growth Factor/physiology; Ubiquitin-Protein Ligases/genetics; Ubiquitin-Protein Ligases/physiology