BlastocystEmbryo, MammalianEmbryo, NonmammalianGene Expression Regulation, DevelopmentalSeedsChick EmbryoFlowersGene Expression Regulation, PlantEmbryonic DevelopmentEmbryo ImplantationCleavage Stage, OvumGene Expression ProfilingBlastomeresPlant LeavesEmbryonic and Fetal DevelopmentFertilization in VitroTime FactorsMolecular Sequence DataRNA, MessengerPregnancyZygoteMorulaGastrulaCryopreservationEmbryo Culture TechniquesEmbryo LossOocytesEmbryo Implantation, DelayedEmbryo TransferIn Situ HybridizationEctogenesisCulture TechniquesMesodermZebrafishXenopus ProteinsPregnancy RateBody PatterningSperm Injections, IntracytoplasmicNuclear Transfer TechniquesMorphogenesisEctodermBlastocyst Inner Cell MassEndodermCochlear ImplantationPreimplantation DiagnosisSea UrchinsCloning, OrganismXenopus laevisBlastulaEmbryonic InductionEmbryo DispositionVitrificationHomeodomain ProteinsUterusMicroinjectionsLens Implantation, IntraocularFertilizationBase SequenceTranscription FactorsSingle Embryo TransferParthenogenesisSuperovulationXenopusZebrafish ProteinsMice, Inbred ICRCoffeaEndometriumAnimals, Genetically ModifiedOvumCell DifferentiationFallopian TubesNervous SystemAmino Acid SequenceEmbryo ResearchPolar BodiesMice, Inbred StrainsTreatment OutcomeDrosophila ProteinsPacemaker, ArtificialGene ExpressionCattleTrophoblastsCell LineageStentsProsthesis DesignImmunohistochemistryCulture MediaFetal ViabilityMice, Inbred C57BLMice, Inbred CBADNA, ComplementaryDNA-Binding ProteinsGerm CellsCell NucleusMutationSignal TransductionSpermatozoaReverse Transcriptase Polymerase Chain ReactionDeciduaGenes, Homeobox