MitosisCell CycleCell DivisionCell Cycle ProteinsCell Cycle CheckpointsHybrid CellsSpindle ApparatusNuclear Transfer TechniquesCloning, OrganismG1 PhaseCDC2 Protein KinaseS PhaseG2 PhaseInterphaseNuclear ReprogrammingCyclinsCell NucleusMolecular Sequence DataCyclin BMutationProtein-Serine-Threonine KinasesCell LineHeLa CellsNuclear ProteinsCentrosomeMicrotubulesDNA ReplicationPhosphorylationCell ProliferationMeiosisChromosome SegregationMetaphaseOocytesApoptosisChromosomesCell DifferentiationCell Nucleus DivisionDNA-Binding ProteinsBase SequenceGerm CellsModels, BiologicalAmino Acid SequenceCells, CulturedTelophaseFibroblastsDNAGenes, cdcSchizosaccharomycescdc25 PhosphatasesCyclin B1