OpsinsRod OpsinsCone OpsinsMicrospectrophotometryRetinal Cone Photoreceptor CellsColor VisionCichlidsRetinal PigmentsRhodopsinPhylogenyColor PerceptionRetinal Rod Photoreceptor CellsPoeciliaVision, OcularCyprinodontiformesColor Vision DefectsFish ProteinsRetinaEye ProteinsEvolution, MolecularPhotoreceptor CellsMolecular Sequence DataPhotometryLightPhotoreceptor Cells, VertebrateLight Signal TransductionRetinitis PigmentosaButterfliesElectroretinographyPitheciidaeHylobatesSequence Analysis, DNATransducinAmino Acid SequenceCompound Eye, ArthropodGene DuplicationRetinaldehydePhotoreceptor Cells, InvertebrateBase SequenceSpecies SpecificityAntisense Elements (Genetics)FishesGenes, Duplicatecis-trans-IsomerasesHydrozoaPineal GlandAdaptation, BiologicalSequence AlignmentPolymerase Chain ReactionGenetic Diseases, X-LinkedSpectrum AnalysisDrug Inverse AgonismPrimatesArrestinEyeG-Protein-Coupled Receptor Kinase 1Thyroid Hormone Receptors betaBiological EvolutionCrustaceaSpectrophotometryDark AdaptationRetinal DegenerationZebrafishInvertebratesCloning, MolecularX ChromosomeSelection, GeneticRod Cell Outer SegmentGene Expression RegulationDNA, ComplementaryUrodelaLizardsFluorescent Antibody Technique, IndirectIn Situ HybridizationMalawiGene ExpressionLikelihood FunctionsAmbystomaDNA PrimersRNA, MessengerColorArthropodsDrosophila melanogasterRetinal Photoreceptor Cell Outer SegmentVertebratesCattleBlotting, Southern