Plant Somatic Embryogenesis TechniquesSeedsGerminationEmbryo, MammalianEmbryo, NonmammalianChick EmbryoEmbryo ImplantationBlastocystEmbryonic DevelopmentEmbryo LossEmbryonic and Fetal DevelopmentGene Expression Regulation, DevelopmentalFertilization in VitroCleavage Stage, OvumBlastomeresPregnancyEmbryo DispositionMorulaZygoteZebrafishCryopreservationGastrulaBody PatterningIn Situ HybridizationOocytesEmbryo ResearchMorphogenesisSingle Embryo TransferCloning, OrganismCulture TechniquesMesodermEctogenesisNuclear Transfer TechniquesEctodermZebrafish ProteinsPregnancy RateMolecular Sequence DataSperm Injections, IntracytoplasmicXenopus ProteinsHomeodomain Proteins