Cloning, OrganismSwineNuclear Transfer TechniquesSus scrofaClone CellsEmbryo, MammalianBlastocystMorulaGuinea PigsEmbryonic and Fetal DevelopmentEmbryo, NonmammalianFertilization in VitroChick EmbryoPregnancyCytopathogenic Effect, ViralCloning, MolecularOocytesEmbryo TransferMolecular Sequence DataEmbryo ImplantationBase SequenceAmino Acid SequenceCells, CulturedEmbryonic DevelopmentGene Expression Regulation, DevelopmentalEmbryo LossDNA, ComplementaryBlastomeresCleavage Stage, OvumSequence Homology, Amino AcidRNA, MessengerDNAIn Situ HybridizationEmbryo DispositionSequence Analysis, DNAZygoteZebrafishMutationSequence Homology, Nucleic AcidNucleic Acid Hybridization