VertebratesZebrafishMolecular Sequence DataGene Expression Regulation, DevelopmentalEvolution, MolecularChordata, NonvertebrateZebrafish ProteinsAmino Acid SequenceEmbryo, NonmammalianFishesBody PatterningBiological EvolutionLampreysHagfishesReptilesBase SequenceInvertebratesSequence Homology, Amino AcidIn Situ HybridizationXenopus ProteinsSequence AlignmentConserved SequenceSpecies SpecificityAmphibiansChordataHomeodomain ProteinsChickensCiona intestinalisSharksOryziasTakifuguGene DuplicationPetromyzonXenopusGenomeAnimals, Genetically ModifiedMammalsChick EmbryoGenes, HomeoboxDrosophila ProteinsXenopus laevisUrochordataCloning, MolecularDrosophilaTranscription FactorsMorphogenesisFish ProteinsLizardsBirdsTetraodontiformesSyntenyPhotoreceptor Cells, VertebrateMesodermSignal TransductionDNA, ComplementaryExtremitiesRhombencephalonAvian ProteinsGastrulaLarvaModels, BiologicalNervous SystemJawEctodermDrosophila melanogasterNeural CrestMutationEmbryonic DevelopmentTurtlesSequence Analysis, DNAFossilsEmbryonic InductionDNA-Binding ProteinsSequence Homology, Nucleic AcidRNA, MessengerSkates (Fish)Nerve Tissue ProteinsWnt ProteinsEyeProtein Structure, TertiaryRetinaGoldfishCentral Nervous SystemOpsinsUrodelaPaired Box Transcription FactorsBone Morphogenetic ProteinsRanidaeCell DifferentiationModels, GeneticCaenorhabditis elegansInsect ProteinsAnimal FinsDNA PrimersNotochordDevelopmental BiologyOrganizers, EmbryonicEye ProteinsHeadAnura