Cloning, MolecularEmbryo, MammalianEmbryo, NonmammalianClone CellsChick EmbryoMolecular Sequence DataBase SequenceAmino Acid SequenceEmbryo ImplantationBlastocystDNA, ComplementaryEmbryonic DevelopmentSequence Homology, Amino AcidCloning, OrganismGene Expression Regulation, DevelopmentalEmbryonic and Fetal DevelopmentEmbryo LossRNA, MessengerFertilization in VitroDNABlastomeresCleavage Stage, OvumPregnancySequence AlignmentSequence Homology, Nucleic AcidSequence Analysis, DNAIn Situ HybridizationGene ExpressionZebrafishPolymerase Chain ReactionEmbryo DispositionMorulaZygoteEscherichia coliOocytesBlotting, NorthernChromosome MappingGenes, BacterialNucleic Acid HybridizationPlasmidsMutationGenesBlotting, SouthernGastrulaDNA PrimersCell LineBody PatterningRecombinant ProteinsCryopreservationNuclear Transfer TechniquesRestriction MappingTranscription, GeneticMorphogenesisEmbryo ResearchGene LibraryPhylogenyPhenotypeCulture TechniquesTranscription FactorsMesodermSingle Embryo TransferDNA, BacterialZebrafish ProteinsDNA Restriction EnzymesEctodermEctogenesisGenomic LibrarySeedsXenopus ProteinsCattleDrosophilaOpen Reading FramesCell DifferentiationDNA, RecombinantTissue DistributionPregnancy RateHomeodomain ProteinsTransfectionXenopus laevisDrosophila ProteinsXenopusDNA-Binding ProteinsGenetic VectorsRNATime FactorsParthenogenesisSpecies SpecificityReverse Transcriptase Polymerase Chain ReactionGene Expression RegulationSea UrchinsSperm Injections, IntracytoplasmicMultigene FamilyMolecular WeightEndodermCosmidsChimeraGenetic Complementation TestOrgan SpecificityAnimals, Genetically ModifiedEmbryonic Induction