VertebratesEmbryo, MammalianEmbryo, NonmammalianReptilesViviparity, NonmammalianZebrafishOryziasChick EmbryoChickensMammalsOncorhynchus mykissMolecular Sequence DataSaccule and UtricleFish ProteinsAmino Acid SequenceEmbryo ImplantationFishesEvolution, MolecularPhylogenyBlastocystHair Cells, AuditoryRana catesbeianaSequence Homology, Amino AcidEmbryonic DevelopmentOptic Lobe, NonmammalianCloning, MolecularSequence AlignmentBase SequenceSpecies SpecificityDNA, ComplementaryEmbryo LossTissue DistributionEmbryonic and Fetal DevelopmentGene Expression Regulation, DevelopmentalRNA, MessengerFertilization in VitroRetinaCleavage Stage, OvumBlastomeresPregnancySequence Analysis, DNAEmbryo DispositionMorulaZygoteCryopreservationGastrulaBody PatterningIn Situ HybridizationOocytesEmbryo ResearchMorphogenesisSingle Embryo TransferCloning, OrganismCulture TechniquesMesodermEctogenesisNuclear Transfer TechniquesEctodermZebrafish ProteinsPregnancy RateSperm 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