InterphaseCell CycleGerm CellsNeoplasms, Germ Cell and EmbryonalMitosisCell Cycle ProteinsDiploidyTestisMicrotubulesSpermatogenesisCell NucleusIn Situ Hybridization, FluorescenceMetaphaseChromosomesSpindle ApparatusTesticular NeoplasmsHeLa CellsTelophaseCentrosomeCell DivisionTubulinSpermatozoaNocodazoleDipodomysCell LineMolecular Sequence DataCell Cycle CheckpointsNuclear ProteinsGerminomaMeiosisCentriolesSertoli CellsFluorescent Antibody TechniqueSpermatogoniaCDC2 Protein KinaseSeminiferous TubulesG1 PhaseHaploidyMicroscopy, FluorescenceMicrotubule-Associated ProteinsSpermatocytesCell NucleolusS PhasePhosphorylationAneuploidySpermatidsPloidiesMutationAmino Acid SequenceCytoplasmChromosome AberrationsNucleolus Organizer RegionProtein-Serine-Threonine KinasesChromatinGonadsBase SequenceNuclear EnvelopeSeminomaDNA-Binding ProteinsChromosomes, HumanCyclinsApoptosisChromosomal Proteins, Non-HistoneCells, CulturedKaryotypingG2 PhaseDNAGene Expression Regulation, DevelopmentalTrisomyAnaphaseGreen Fluorescent ProteinsTime FactorsFibroblastsCentromereCell DifferentiationHistonesModels, BiologicalCell ProliferationOvaryProtein BindingNuclear Matrix-Associated ProteinsRNA, MessengerMicroscopy, ElectronOogenesisRecombinant Fusion ProteinsDNA ProbesGametogenesisMenstrual CycleOocytesTumor Cells, CulturedTranscription FactorsOvumFlow CytometrySeminiferous EpitheliumWheat Germ AgglutininsDNA ReplicationRetinoblastoma ProteinColchicineCricetinaeCyclin B