Cloning, OrganismBioethicsReproductive Techniques, AssistedEmbryonic Stem CellsClone CellsCloning, MolecularStem CellsEmbryo, MammalianCell DifferentiationPluripotent Stem CellsMolecular Sequence DataEmbryo, NonmammalianBase SequenceChick EmbryoAmino Acid SequenceGene Expression Regulation, DevelopmentalBlastocystStem Cell TransplantationOctamer Transcription Factor-3Cell LineEmbryonic DevelopmentCell LineageEmbryo ImplantationDNA, ComplementaryEmbryo ResearchInduced Pluripotent Stem CellsHematopoietic Stem CellsCell Culture TechniquesRNA, MessengerCells, CulturedHomeodomain ProteinsSequence Homology, Amino AcidEmbryoid BodiesPlant StemsDNAChimeraEmbryonic and Fetal DevelopmentGene ExpressionTranscription FactorsTeratomaSOXB1 Transcription FactorsAdult Stem CellsEndodermNeoplastic Stem CellsNeural Stem CellsReverse Transcriptase Polymerase Chain ReactionPolymerase Chain ReactionTotipotent Stem CellsEmbryo LossPhenotypeGene TargetingSequence Analysis, DNAGene Expression RegulationGene Expression ProfilingGerm LayersSequence Homology, Nucleic AcidDNA PrimersTranscription, GeneticMutationPregnancyBlastomeresBlotting, SouthernLeukemia Inhibitory FactorSequence AlignmentMultipotent Stem Cells