Cloning, OrganismSwineNuclear Transfer TechniquesEmbryo, MammalianSus scrofaClone CellsBlastocystGuinea PigsEmbryo, NonmammalianChick EmbryoMorulaEmbryonic and Fetal DevelopmentFertilization in VitroEmbryo ImplantationPregnancyEmbryonic DevelopmentOocytesCloning, MolecularCytopathogenic Effect, ViralMolecular Sequence DataBase SequenceGene Expression Regulation, DevelopmentalEmbryo LossEmbryo TransferAmino Acid SequenceCleavage Stage, OvumBlastomeresCells, CulturedEmbryo DispositionZygoteZebrafishIn Situ HybridizationRNA, MessengerGastrulaCryopreservationDNA, ComplementarySwine DiseasesBody PatterningSequence Homology, Amino AcidCulture TechniquesMorphogenesisEmbryo ResearchMesodermSingle Embryo TransferEctogenesisMutationDNAEctodermZebrafish ProteinsTranscription FactorsPregnancy RateTime FactorsPhenotypeGene ExpressionSeedsXenopus ProteinsHomeodomain ProteinsSequence Analysis, DNACell LinePolymerase Chain ReactionParthenogenesisSperm Injections, IntracytoplasmicTranscription, GeneticDrosophilaFetal ViabilityCattleSequence AlignmentAnimals, Genetically ModifiedCell DifferentiationDrosophila ProteinsSequence Homology, Nucleic AcidNucleic Acid HybridizationEndodermDNA PrimersSea UrchinsGenesXenopus laevisEmbryonic InductionPlasmidsXenopusBlastodermFertilizationChimeraEscherichia coliMicroinjectionsAnimal FeedPreimplantation Diagnosis