MetaphaseChromosomesMitosisOocytesSpindle ApparatusMeiosisAnaphaseKinetochoresChromosomes, HumanMicrotubulesInterphaseKaryotypingProphaseChromosome SegregationChromatidsTelophaseProto-Oncogene Proteins c-mosCentromereChromosome AberrationsIn Situ Hybridization, FluorescenceCell Cycle ProteinsNocodazoleParthenogenesisSpermatocytesChromosomal Proteins, Non-HistoneFertilizationChromosome BandingCell CycleCell NucleusOogenesisMaturation-Promoting FactorOvumMad2 ProteinsDemecolcineFertilization in VitroCyclin BPrometaphaseMolecular Sequence DataHeLa CellsAneuploidyZygoteCDC2 Protein KinaseMicroscopy, FluorescenceChromatinTubulinMicroinjectionsDipodomysCells, CulturedCytogeneticsAurora KinasesCell LineUbiquitin-Protein Ligase ComplexesCytogenetic AnalysisAnaphase-Promoting Complex-CyclosomeSperm-Ovum InteractionsSpermatozoaCentrosomeNuclear ProteinsKinesinAzure StainsMicrotubule-Associated ProteinsPotoroidaeProtamine KinaseMutationProtein-Serine-Threonine KinasesSecurinChromosome PaintingAmino Acid SequenceBase SequenceTime FactorsCytoplasmCell DivisionBlastocystMeiotic Prophase ICleavage Stage, OvumNuclear Transfer TechniquesCyclin B1ColchicineDNAPhosphorylationPrimed In Situ LabelingStarfishXenopusXenopus ProteinsNucleolus Organizer RegionTranslocation, GeneticCdc20 ProteinsSister Chromatid ExchangeAurora Kinase BChromosome PairingModels, BiologicalEmbryonic DevelopmentChromosome DisordersBlastomeresM Phase Cell Cycle CheckpointsFluorescent Antibody TechniqueSperm Injections, IntracytoplasmicChromosome MappingMicroscopy, ElectronSignal Transduction