Drosophilaras Guanine Nucleotide Exchange FactorsDrosophila ProteinsDrosophila melanogasterSon of Sevenless Proteinsras-GRF1Guanine Nucleotide Exchange Factorsras ProteinsGRB2 Adaptor ProteinMutationPoint MutationAmino Acid MotifsMutation, MissenseMolecular Sequence DataGenes, rasAmino Acid SequenceBase SequenceAnimals, Genetically ModifiedInsect ProteinsLarvaProto-Oncogene Proteins p21(ras)Sequence Homology, Amino AcidTranscription FactorsFrameshift MutationWingGene Expression Regulation, DevelopmentalEmbryo, NonmammalianPhenotypeDNA-Binding ProteinsGerm-Line MutationProtein Structure, TertiarySignal TransductionCloning, MolecularProtein BindingBinding SitesAllelesSequence AlignmentOncogene Protein p21(ras)Photoreceptor Cells, InvertebrateInsect HormonesNuclear ProteinsGenes, LethalChromosome MappingDNAPupaConserved SequenceCell LineMutagenesisMutagenesis, Site-DirectedExonsPedigreeTranscription, GeneticEyeMembrane ProteinsSequence Analysis, DNACrosses, GeneticGenome, InsectAmino Acid SubstitutionPolymerase Chain ReactionDNA PrimersHeterozygoteModels, MolecularEvolution, MolecularMutation RateHomeodomain ProteinsModels, GeneticRecombinant Fusion ProteinsBody PatterningRNA, MessengerDNA Mutational AnalysisRepressor ProteinsHomozygoteOogenesisNucleotide MotifsModels, BiologicalCarrier ProteinsMorphogenesisPromoter Regions, GeneticSequence DeletionProteinsras GTPase-Activating ProteinsDNA Transposable ElementsKineticsGenetic Complementation TestTransfectionEscherichia coliGenes, DominantGenotypeX ChromosomeSpecies SpecificityWnt1 ProteinChromosomesPhylogenySuppression, GeneticGene ExpressionIn Situ HybridizationRNA InterferenceRecombination, GeneticEye ProteinsPlasmids