Clone CellsEmbryo, NonmammalianEmbryo, MammalianMolecular Sequence DataBlastocystGene Expression Regulation, DevelopmentalEmbryonic DevelopmentBase SequenceCell DifferentiationAmino Acid SequenceCell LineCell AggregationGastrulaVitellinsBlastomeresEmbryonic Stem CellsXenopus ProteinsCloning, MolecularCells, CulturedCell DivisionCaenorhabditis elegansChick EmbryoMitosisCell LineageTeratomaRNA, MessengerXenopusCarcinoma, EmbryonalXenopus laevisOvumTeratocarcinomaBlastulaDNAOocytesEmbryonal Carcinoma Stem CellsEndodermCleavage Stage, OvumCell CycleCaenorhabditis elegans ProteinsTranscription FactorsNuclear Transfer TechniquesCDC2 Protein KinaseStarfishT-LymphocytesMorphogenesisDNA, ComplementaryChimeraTranscription, GeneticMutationZebrafishStem CellsDipteraSea UrchinsPhenotypeTransfectionOctamer Transcription Factor-3QuailZygoteUrochordataEmbryonic and Fetal DevelopmentIridovirusTotipotent Stem CellsMesodermLymphocyte ActivationSalamandridaeIn Situ HybridizationCell NucleusFertilizationInsect HormonesSignal TransductionSequence Homology, Amino AcidEctodermGastrulationPluripotent Stem Cellscdc25 PhosphatasesCell MovementDNA-Binding ProteinsTime FactorsCoturnixGene Expression RegulationPolymerase Chain ReactionGene ExpressionNuclear ProteinsCell Cycle ProteinsDNA PrimersReceptors, Antigen, T-Cell, alpha-betaNeural CrestCyclin BTumor Cells, CulturedPleurodelesMorulaMice, Inbred C57BLCell AdhesionBlastodermNucleic Acid HybridizationGerm CellsBody PatterningFibroblastsNotochordEpitopes