Synaptonemal ComplexChromosome PairingMeiosisSpermatocytesCrossing Over, GeneticMeiotic Prophase IProphasePachytene StageChromosomesRecombination, GeneticNuclear ProteinsChromosomes, FungalCoprinusCentromereChromosome SegregationRad51 RecombinaseSex ChromosomesSpermatogenesisChromosomal Proteins, Non-HistoneTestisSpores, FungalCell Cycle ProteinsChromatidsDNA Breaks, Double-StrandedNondisjunction, GeneticChromosomes, PlantEndodeoxyribonucleasesSaccharomyces cerevisiae ProteinsHomologous RecombinationCaenorhabditis elegans ProteinsSaccharomyces cerevisiaeMutationIn Situ Hybridization, FluorescenceEsterasesCaenorhabditis elegansMicroscopy, ElectronMarsupialiaInfertility, MaleFungal ProteinsOocytesMetaphaseOvarySpermatozoaX ChromosomeAneuploidySister Chromatid ExchangeCell NucleusSaccharomycetalesKaryotypingDNA-Binding ProteinsTelomereDNA RepairPleuraGerm CellsMolecular Sequence Data