Clone CellsEmbryo, MammalianEmbryo, NonmammalianChick EmbryoEmbryo ImplantationMolecular Sequence DataCloning, MolecularBase SequenceBlastocystAmino Acid SequenceEmbryonic DevelopmentGene Expression Regulation, DevelopmentalEmbryonic and Fetal DevelopmentEmbryo LossDNA, ComplementaryRNA, MessengerDNAFertilization in VitroPregnancyBlastomeresCleavage Stage, OvumSequence Analysis, DNACell LinePolymerase Chain ReactionSequence Homology, Amino AcidMutationIn Situ HybridizationZebrafishEmbryo DispositionZygoteNucleic Acid HybridizationSequence Homology, Nucleic AcidCloning, OrganismMorulaPhenotypeOocytesGastrulaGenesBody PatterningCryopreservationPhylogenyGene ExpressionMorphogenesisChromosome MappingSpecies SpecificityTranscription, GeneticCulture TechniquesDNA PrimersTime FactorsMesodermTranscription FactorsCell DifferentiationSequence AlignmentNuclear Transfer TechniquesBlotting, SouthernBlotting, NorthernEmbryo ResearchSingle Embryo TransferChromosomes, Artificial, BacterialEctodermTransfectionPlasmidsEctogenesisCattleCell DivisionZebrafish ProteinsDrosophilaGenomic LibraryHomeodomain ProteinsSeedsDrosophila ProteinsMice, Inbred C57BLPregnancy RateChimeraGene Expression RegulationDNA, BacterialXenopus ProteinsMice, Inbred StrainsDNA Restriction EnzymesDNA-Binding ProteinsReverse Transcriptase Polymerase Chain ReactionRecombinant ProteinsParthenogenesisSea UrchinsGenetic VariationRNASignal TransductionAnimals, Genetically ModifiedEndodermSperm Injections, IntracytoplasmicDNA, RecombinantGenotypeEscherichia coliChickensXenopusXenopus laevisEmbryonic InductionCosmidsFetal ViabilityCulture Media