Cloning, OrganismBioethicsEmbryo ResearchTwinning, MonozygoticGenetic DeterminismEmbryonic Stem CellsReproductive Techniques, AssistedCloning, MolecularNuclear Transfer TechniquesStem CellsCell DifferentiationPluripotent Stem CellsMolecular Sequence DataBase SequenceCell Culture TechniquesOctamer Transcription Factor-3Embryo, MammalianAmino Acid SequenceCell LineStem Cell TransplantationInduced Pluripotent Stem CellsClone CellsTeratomaCell LineageDNA, ComplementaryEmbryoid BodiesStage-Specific Embryonic AntigensCells, CulturedSequence Homology, Amino AcidGene Expression Regulation, DevelopmentalSOXB1 Transcription FactorsEndodermFeeder CellsKaryotypingGerm LayersRNA, MessengerHomeodomain ProteinsNeural Stem CellsReverse Transcriptase Polymerase Chain ReactionGene ExpressionHematopoietic Stem CellsGene Expression ProfilingTotipotent Stem CellsBone Morphogenetic Protein 4Cell Proliferation