Cell Nucleus DivisionCell DivisionCell DifferentiationCell NucleusAsymmetric Cell DivisionCells, CulturedMolecular Sequence DataStem CellsGene Expression Regulation, DevelopmentalTranscription FactorsSignal TransductionCell CycleMitosisCell LineMutationCell LineageRNA, MessengerDNA-Binding ProteinsGene Expression RegulationBase SequenceModels, BiologicalCell ProliferationAmino Acid SequencePhenotypeNuclear ProteinsEmbryonic Stem Cells