Genes, HomeoboxHomeodomain ProteinsGene Expression Regulation, DevelopmentalTranscription FactorsMolecular Sequence DataIn Situ HybridizationLIM-Homeodomain ProteinsOtx Transcription FactorsBase SequenceAmino Acid SequenceGoosecoid ProteinAvian ProteinsMSX1 Transcription FactorBody PatterningAntennapedia Homeodomain ProteinMorphogenesisSequence Homology, Amino AcidDrosophila ProteinsMutationEmbryo, NonmammalianMesodermDrosophilaCell DifferentiationRepressor ProteinsCloning, MolecularDNA-Binding ProteinsGene ExpressionTrans-ActivatorsPhenotype