Genes, HomeoboxHomeodomain ProteinsLimb Deformities, CongenitalMultigene FamilyExtremitiesLimb BudsGene Expression Regulation, DevelopmentalTranscription FactorsUlnaToesMolecular Sequence DataIn Situ HybridizationBody PatterningForelimbMorphogenesisAmino Acid SequenceHedgehog ProteinsBase SequencePhylogenyPhenotypeEvolution, MolecularMutationMice, TransgenicSequence Homology, Amino AcidGene DuplicationCloning, MolecularSequence AlignmentSyndactylyGenes, PlantDNA, ComplementaryPlant ProteinsOtx Transcription FactorsRNA, MessengerVertebratesChromosome MappingReceptor, EphA7LIM-Homeodomain ProteinsSequence Homology, Nucleic AcidGene ExpressionConserved SequenceDNA-Binding ProteinsAvian ProteinsArabidopsisSequence Analysis, DNAZebrafish ProteinsGene Expression Regulation, PlantDNA PrimersTranscription, GeneticPromoter Regions, GeneticGene Expression RegulationMSX1 Transcription FactorMesodermTrans-ActivatorsCell DifferentiationRepressor ProteinsDNAPolydactylyDrosophila ProteinsAntennapedia Homeodomain ProteinGoosecoid ProteinGene Expression ProfilingEmbryo, NonmammalianEmbryo, MammalianDrosophilaArabidopsis ProteinsPseudogenesBiological EvolutionReverse Transcriptase Polymerase Chain ReactionEctodermChordata, NonvertebrateChick EmbryoNerve Tissue ProteinsEmbryonic and Fetal DevelopmentSyntenyGenome, PlantBlotting, NorthernModels, GeneticOryza sativaEye ProteinsNuclear ProteinsPolymerase Chain ReactionIntronsSpecies SpecificityMeristemGene LibraryFoot Deformities, CongenitalBlotting, SouthernGenomeRhombencephalonRestriction MappingMice, Mutant StrainsCell LineGenes, InsectExonsGenesTakifuguNervous SystemPlants, Genetically ModifiedProteinsNeoplasm Proteins