Spindle ApparatusMitosisNuclear Matrix-Associated ProteinsMicrotubulesCentrosomeTubulinMuscle SpindlesChromosome SegregationMeiosisCell Cycle ProteinsAnaphaseMetaphaseKinetochoresKinesinMicrotubule-Associated ProteinsHeLa CellsAurora KinasesProphaseTelophaseFluorescent Antibody TechniqueGolgi ApparatusNocodazoleMicrotubule-Organizing CenterChromosomesMad2 ProteinsMolecular Sequence DataCentriolesCell CycleProtein-Serine-Threonine KinasesCytokinesisCyclin BOocytesDyneinsInterphaseran GTP-Binding ProteinNuclear ProteinsSchizosaccharomyces pombe ProteinsSchizosaccharomycesPrometaphaseCDC2 Protein KinaseCell Nucleus DivisionMicroscopy, FluorescenceAurora Kinase BXenopus ProteinsCentromereMutationAurora Kinase AChromosomal Proteins, Non-HistoneCell NucleusM Phase Cell Cycle CheckpointsTubulin ModulatorsNuclear EnvelopeCell DivisionRNA InterferenceSaccharomyces cerevisiae ProteinsFungal ProteinsChromatidsDrosophila ProteinsSaccharomyces cerevisiaeGreen Fluorescent ProteinsOvumAmino Acid SequenceCyclin B1Models, BiologicalSpermatocytesXenopusG2 PhasePhosphorylationChromosomes, HumanCell PolarityRecombinant Fusion ProteinsChromosomal InstabilityProtein BindingChromosomes, FungalCdc20 ProteinsRNA, Small InterferingMicrotubule ProteinsLuminescent ProteinsCytoplasmMicroscopy, ElectronEmbryo, NonmammalianProtein KinasesCell LineAneuploidyUbiquitin-Protein Ligase ComplexesAnaphase-Promoting Complex-CyclosomeDrosophilaProtein TransportChromosomes, MammalianMotor Neurons, GammaCaenorhabditis elegans ProteinsGenes, cdcNondisjunction, GeneticChromatinPolyploidyColchicineCaenorhabditis elegansMultiprotein ComplexesDemecolcineDrosophila melanogaster