VertebratesMammalsZebrafishMolecular Sequence DataEvolution, MolecularAmino Acid SequenceGene Expression Regulation, DevelopmentalBiological EvolutionReptilesZebrafish ProteinsEmbryo, NonmammalianFishesChordata, NonvertebrateBase SequenceSpecies SpecificitySequence Homology, Amino AcidBody PatterningLampreysSequence AlignmentInvertebratesConserved SequenceHagfishesIn Situ HybridizationAmphibiansChickensBirdsGenomeXenopus ProteinsTakifuguGene DuplicationHomeodomain ProteinsOryziasCloning, MolecularSharksDrosophila ProteinsAnimals, Genetically ModifiedMarsupialiaChordataCiona intestinalisTranscription FactorsXenopusDrosophilaLizardsFossilsChick EmbryoPetromyzonFish ProteinsTetraodontiformesXenopus laevisModels, BiologicalDNA, ComplementarySignal TransductionGenes, HomeoboxSyntenyMorphogenesisUrochordataMutationDrosophila melanogasterSequence Analysis, DNARodentiaExtremitiesLarvaPhotoreceptor Cells, VertebrateMesodermJawAvian ProteinsRNA, MessengerRhombencephalonSequence Homology, Nucleic AcidEmbryonic DevelopmentPhylogenyTurtlesNervous SystemGastrulaDNA-Binding ProteinsProtein Structure, TertiaryModels, GeneticEctodermNeural CrestCaenorhabditis elegansMonotremataNerve Tissue ProteinsPinnipediaGene Expression RegulationCetaceaSkates (Fish)DNA PrimersEyePhenotypeAlligators and CrocodilesNeuronsRetinaBody SizeEmbryonic InductionGoldfishCell DifferentiationDNAWnt ProteinsCentral Nervous SystemIntrons