SpermatocytesChromosomesChromosome MappingSpermatogenesisSpermatidsTestisX ChromosomeMeiosisSex ChromosomesChromosome BandingChromosome AberrationsChromosome PairingPachytene StageChromosomes, Human, Pair 1Chromosome SegregationSertoli CellsChromosomes, HumanSpermatozoaChromosomes, BacterialSpermatogoniaChromosomes, Human, Pair 7Chromosomes, Human, Pair 11Chromosomes, Human, Pair 17Seminiferous TubulesChromosomes, Human, Pair 6Chromosome DeletionChromosomes, Human, Pair 9Chromosomes, Human, Pair 21Chromosomes, MammalianChromosomes, PlantChromosomes, FungalChromosomes, Human, 6-12 and XChromosomes, Human, YChromosomes, Human, Pair 2Chromosomes, Human, Pair 16Chromosomes, Human, Pair 22Meiotic Prophase IChromosomes, Human, Pair 13Seminiferous EpitheliumChromosomes, Human, Pair 4Chromosomes, Human, Pair 10Chromosomes, Human, Pair 8Chromosomes, Human, Pair 19In Situ Hybridization, FluorescenceKaryotypingChromosome DisordersChromosomes, Artificial, BacterialChromosomes, Human, XChromosomes, Human, 1-3Chromosomes, Human, Pair 12Chromosome PaintingChromosomes, Human, Pair 5MetaphaseChromosomes, Human, Pair 15ProphaseMolecular Sequence DataChromosomes, Human, Pair 14Chromosomes, Human, Pair 18Chromosomes, Human, 16-18Chromosomes, Human, Pair 20Chromosomes, Artificial, YeastChromosomes, Human, 13-15Genetic LinkageBase SequenceChromosome BreakageChromosomes, Human, 21-22 and YSynaptonemal ComplexCentromereRing ChromosomesInfertility, MaleChromosome InversionGenetic MarkersX Chromosome InactivationChromosome PositioningChromosomes, Human, 4-5MitosisChromosome StructuresAneuploidyTranslocation, GeneticRecombination, GeneticBlood-Testis BarrierMutationGerm CellsDipteraChromosomes, InsectHybrid CellsAmino Acid SequenceChromosomes, Human, 19-20Cloning, MolecularSperm CountSpindle ApparatusKinetochoresCrosses, GeneticPhenotypeDrosophila melanogasterSex ChromatinNuclear ProteinsNondisjunction, GeneticDNAChromosomal Proteins, Non-Histone