Embryo ResearchCloning, OrganismCloning, MolecularMolecular Sequence DataBase SequenceAmino Acid SequenceSequence Homology, Amino AcidGenes, BacterialEscherichia coliPlasmidsDNA, ComplementaryRestriction MappingSequence AlignmentDNA Restriction EnzymesSequence Analysis, DNARecombinant ProteinsGenesSequence Homology, Nucleic AcidNucleic Acid HybridizationDNA, BacterialDNA, RecombinantRNA, MessengerDNABacterial ProteinsTranscription, GeneticBlotting, SouthernGenetic Complementation TestChromosome MappingMutationGene ExpressionPolymerase Chain ReactionCell Line