Embryo, MammalianBlastocystEmbryo, NonmammalianCleavage Stage, OvumEmbryonic DevelopmentBlastomeresChick EmbryoEmbryo ImplantationEmbryonic and Fetal DevelopmentGene Expression Regulation, DevelopmentalZygoteEmbryo Culture TechniquesMorulaFertilization in VitroGastrulaOocytesCryopreservationPregnancyBlastulaEmbryo TransferIn Situ HybridizationXenopus ProteinsEctogenesisMesodermBlastocyst Inner Cell MassCulture TechniquesXenopus laevisZebrafishSea UrchinsBody PatterningMorphogenesisEctodermEmbryo LossMolecular Sequence DataNuclear Transfer TechniquesCoffeaEndodermEmbryonic InductionPreimplantation DiagnosisRNA, MessengerPolar BodiesVitrificationSperm Injections, IntracytoplasmicCloning, OrganismMicroinjectionsHomeodomain ProteinsXenopusTranscription FactorsBase SequenceTime FactorsPregnancy RateOvumMice, Inbred ICRParthenogenesisAnimals, Genetically ModifiedFertilizationAmino Acid SequenceCell DifferentiationNervous SystemSuperovulationZebrafish ProteinsEmbryo DispositionGene ExpressionQuintupletsCell LineageFallopian TubesMice, Inbred StrainsDNA, ComplementaryMice, Inbred C57BLEmbryonic Stem CellsMice, Inbred CBAGerm CellsDrosophila ProteinsCattleCulture MediaDNA-Binding ProteinsCell NucleusSignal TransductionTranscription, GeneticReverse Transcriptase Polymerase Chain ReactionMutationOctamer Transcription Factor-3ImmunohistochemistryOogenesisCarbocyaninesSequence Homology, Amino AcidGenes, HomeoboxCloning, MolecularAneuploidySpermatozoaFetal ProteinsEmbryo ResearchSingle Embryo TransferCell CountBone Morphogenetic ProteinsGene Expression ProfilingSeedsGreen Fluorescent ProteinsDNA PrimersCell Division