Sense OrgansEvolution, MolecularDrosophilaDrosophila ProteinsLateral Line SystemPeripheral Nervous SystemGene Expression Regulation, DevelopmentalPhylogenySmellMorphogenesisMechanoreceptorsBody PatterningReceptors, NotchDrosophila melanogasterGenes, InsectNerve Tissue ProteinsDirected Molecular EvolutionInsect ProteinsHeadBasic Helix-Loop-Helix Transcription FactorsHomeodomain ProteinsMutationNervous SystemCell LineageEctodermSense of CoherenceEmbryo, NonmammalianMolecular Sequence DataModels, BiologicalExtremitiesTranscription FactorsNeurons, AfferentIn Situ HybridizationPhenotypeSelection, GeneticTissue and Organ ProcurementOrgan TransplantationImmunohistochemistryBase SequenceModels, GeneticSpecies SpecificityCell DifferentiationAmino Acid SequenceCultural EvolutionSignal TransductionDNA-Binding ProteinsMembrane ProteinsStem CellsGenetic VariationSequence Analysis, DNANuclear Proteins