Embryo, MammalianBlastocystEmbryonic DevelopmentEmbryo, NonmammalianEmbryonic and Fetal DevelopmentGene Expression Regulation, DevelopmentalChick EmbryoZygoteMammalsEmbryo ImplantationEmbryo Culture TechniquesBlastomeresCleavage Stage, OvumPregnancyCulture TechniquesMorulaBody PatterningEctodermMolecular Sequence DataEndodermMorphogenesisTotipotent Stem CellsYolk SacFertilization in VitroFibroblast Growth Factor 4Manipulation, SpinalIn Situ HybridizationMesodermBlastocyst Inner Cell MassTranscription FactorsGerm LayersHomeodomain ProteinsCell DifferentiationOocytesAmino Acid SequenceMice, Inbred CBACell LineageBase SequenceOctamer Transcription Factor-3Signal TransductionTissue SurvivalEmbryonic Stem CellsTrophoblastsRNA, MessengerEmbryo LossNeural CrestMice, Inbred C57BLMice, Inbred ICRGenomic ImprintingTime FactorsCattleModels, BiologicalGene ExpressionDNA-Binding ProteinsStem CellsMice, TransgenicManipulation, OrthopedicPhenotypePluripotent Stem CellsGestational AgeCells, CulturedCell LineMice, KnockoutImmunohistochemistryZebrafishEmbryo DispositionMutationEpigenesis, GeneticCloning, MolecularSequence Homology, Amino AcidCryopreservationGastrulaCell MovementManipulation, ChiropracticDrosophila ProteinsDrosophilaCloning, OrganismAnimals, Genetically ModifiedZebrafish ProteinsDNA, ComplementaryEmbryo ResearchNuclear Transfer TechniquesDNASingle Embryo TransferCricetinaeTranscription, GeneticXenopus ProteinsSpecies SpecificityEctogenesisGene Expression RegulationGreen Fluorescent ProteinsCell NucleusMicroinjectionsDrosophila melanogasterSequence AlignmentTransfectionProteinsXenopus laevisTOR Serine-Threonine KinasesPregnancy Rate