Embryo, MammalianEmbryo, NonmammalianChick EmbryoEmbryo ImplantationBlastocystEmbryonic DevelopmentMammalsGene Expression Regulation, DevelopmentalMolecular Sequence DataEmbryonic and Fetal DevelopmentEmbryo LossAmino Acid SequenceFertilization in VitroCleavage Stage, OvumBlastomeresPregnancyBase SequenceZygoteOocytesIn Situ HybridizationEmbryo DispositionMorulaCell LineBody PatterningTranscription FactorsZebrafishSequence Homology, Amino AcidRNA, MessengerGastrulaCryopreservationCloning, MolecularMorphogenesisMutationCulture TechniquesSignal TransductionMesodermCloning, OrganismZebrafish ProteinsDrosophila ProteinsEmbryo ResearchDrosophilaSingle Embryo TransferNuclear Transfer TechniquesDNA, ComplementaryEctodermCattleHomeodomain ProteinsDNA-Binding ProteinsEctogenesisTime FactorsXenopus ProteinsCricetinaeDNAPregnancy RateGene ExpressionCell NucleusTranscription, GeneticAnimals, Genetically ModifiedTOR Serine-Threonine KinasesModels, BiologicalSequence AlignmentPhenotypeFertilizationXenopus laevisSpecies SpecificityXenopusEndodermSperm Injections, IntracytoplasmicMicroinjectionsProteinsDrosophila melanogasterSeedsParthenogenesisProtein BindingFetal ViabilityNuclear ProteinsTransfectionGene Expression RegulationSea UrchinsEmbryonic InductionDNA PrimersNervous SystemHeLa CellsCarrier ProteinsRecombinant ProteinsMice, Inbred C57BLBlastodermMembrane ProteinsGreen Fluorescent ProteinsSpermatozoaRecombinant Fusion ProteinsMicroscopy, FluorescenceOvumImmunohistochemistryChimeraPreimplantation DiagnosisYolk SacKineticsMice, Inbred ICRMice, Knockout