Embryo, MammalianEmbryo, NonmammalianChick EmbryoVertebratesEmbryo ImplantationZebrafishReptilesViviparity, NonmammalianBlastocystOryziasChickensEmbryonic DevelopmentMolecular Sequence DataMammalsOncorhynchus mykissAmino Acid SequenceSaccule and UtricleFish ProteinsEmbryo LossEmbryonic and Fetal DevelopmentGene Expression Regulation, DevelopmentalFishesEvolution, MolecularFertilization in VitroPhylogenyCleavage Stage, OvumBlastomeresSequence Homology, Amino AcidPregnancyHair Cells, AuditoryBase SequenceRana catesbeianaCloning, MolecularEmbryo DispositionOptic Lobe, NonmammalianSequence AlignmentDNA, ComplementaryMorulaZygoteSpecies SpecificityRNA, MessengerCryopreservationGastrulaTissue DistributionBody PatterningIn Situ HybridizationOocytesEmbryo ResearchMorphogenesisSingle Embryo TransferCloning, OrganismCulture TechniquesMesodermRetinaEctogenesisNuclear Transfer TechniquesEctodermZebrafish ProteinsPregnancy RateSequence Analysis, DNASperm Injections, IntracytoplasmicXenopus ProteinsHomeodomain ProteinsSeedsFetal ViabilityEndodermTranscription FactorsParthenogenesisEmbryonic InductionBlastodermDrosophilaSea UrchinsDrosophila ProteinsFertilizationPreimplantation DiagnosisAnimals, Genetically ModifiedMicroinjectionsCell DifferentiationNotochordNervous SystemYolk SacXenopus laevisTime FactorsSuperovulationXenopusChimeraMutationPhenotypeSomitesNeural CrestOvumDrosophila melanogasterPregnancy OutcomeSignal TransductionCulture MediaMice, Inbred ICRQuailCattleUrochordataFallopian Tubes