Sex Chromosome AberrationsKlinefelter SyndromeSex ChromosomesChromosome AberrationsChromosomesKaryotypingSex Chromosome DisordersChromosomes, Human, XX ChromosomeChromosome MappingAneuploidyIn Situ Hybridization, FluorescenceChromosomes, Human, YY ChromosomeSperm RetrievalChromosome BandingSister Chromatid ExchangeMosaicismChromosomes, HumanAzoospermiaChromosome DisordersChromosome PaintingXYY KaryotypeChromosomes, Human, Pair 1Micronucleus TestsSex Determination ProcessesMutagenicity TestsGynecomastiaGonadal Dysgenesis, 46,XXChromosomes, Human, Pair 11Chromosome PairingCytogeneticsChromosomes, Human, Pair 7Infertility, MaleChromosomes, PlantCytogenetic AnalysisTranslocation, GeneticSileneChromosome DeletionChromosomes, Human, Pair 13MutagensX Chromosome InactivationChromosome SegregationNuclear WarfareCorneal Wavefront AberrationSpermatozoaGenes, Y-LinkedOligospermiaChromosomes, Human, Pair 18AmericiumLymphocytesPrimed In Situ LabelingChromosomes, Artificial, BacterialChromosomes, Human, Pair 21Genes, X-LinkedChromosomes, Human, Pair 17Metaphase