Genes, HomeoboxHomeodomain ProteinsGene Expression Regulation, DevelopmentalTranscription FactorsMolecular Sequence DataIn Situ HybridizationAmino Acid SequenceLIM-Homeodomain ProteinsBase SequenceOtx Transcription FactorsGoosecoid ProteinAvian ProteinsMSX1 Transcription FactorBody PatterningAntennapedia Homeodomain ProteinSequence Homology, Amino AcidMorphogenesisDrosophila ProteinsMesodermEmbryo, NonmammalianDrosophilaGene ExpressionTrans-ActivatorsCloning, MolecularCell DifferentiationRepressor ProteinsMultigene Family