Klinefelter SyndromeSex ChromosomesSex Chromosome AberrationsSex Chromosome DisordersChromosomesChromosomes, Human, XX ChromosomeChromosome MappingChromosomes, Human, YY ChromosomeSperm RetrievalKaryotypingAneuploidyAzoospermiaIn Situ Hybridization, FluorescenceXYY KaryotypeChromosome BandingChromosome AberrationsMosaicismSex Determination ProcessesGynecomastiaGonadal Dysgenesis, 46,XXChromosome PairingChromosomes, PlantInfertility, MaleSileneX Chromosome InactivationChromosome SegregationChromosomes, HumanChromosomes, Human, Pair 1Genes, Y-LinkedOligospermiaPrimed In Situ LabelingGenes, X-LinkedChromosome PaintingChromosomes, Artificial, BacterialChromosomes, BacterialChromosomes, Human, Pair 21PlatypusChromosomes, InsectSex CharacteristicsMeiosisChromosomes, Human, Pair 7Chromosomes, Human, Pair 11TestisChromosomes, Human, Pair 17Sex ChromatinChromosome DeletionChromosomes, FungalChromosomes, Human, Pair 6Chromosome DisordersSpermatozoaSpermatogenesisChromosomes, MammalianChromosomes, Human, Pair 9Chromosomes, Human, Pair 13Chromosomes, Human, Pair 18SpermatocytesGenes, sryAchondroplasiaPachytene StageChromosome StructuresFertility PreservationChromosomes, Human, 6-12 and XGenetic LinkageEvolution, MolecularDosage Compensation, GeneticChromosomes, Human, Pair 2Chromosomes, Human, Pair 16Chromosomes, Human, Pair 22CaricaChromosomes, Human, Pair 4Chromosomes, Human, Pair 10Chromosomes, Human, Pair 8Chromosomes, Human, Pair 19Sex FactorsChromosomes, Human, Pair 20Sex DifferentiationChromosomes, Human, Pair 12Chromosomes, Human, 1-3Chromosomes, Human, Pair 5Genetic MarkersChromosomes, Human, Pair 15Sperm Injections, IntracytoplasmicChromosomes, Human, 21-22 and YRecombination, GeneticChromosome InversionChromosomes, Human, Pair 14PhenotypeChromosomes, Human, 16-18Molecular Sequence DataChromosomes, Artificial, YeastChromosomes, Human, 13-15Crosses, GeneticSex Determination AnalysisGene DosageCentromereTurner SyndromeChromosome BreakageFathers