HaploidyDiploidySpermatidsSaccharomyces cerevisiaeMeiosisPloidiesSpermatogenesisGenes, Mating Type, FungalParthenogenesisCrosses, GeneticBase SequenceMutationMolecular Sequence DataDNA, FungalPheromonesTestisChromosome MappingSpermatozoaRecombination, GeneticSaccharomyces cerevisiae ProteinsFungal ProteinsPolyploidyPollenBrassica napusChromosomes, PlantGerm Cells, PlantAllelesCloning, MolecularChromosomes, FungalAmino Acid SequencePhenotypeSpermatocytesGene Expression Regulation, FungalChromosomesTriploidyGenesUstilagoModels, GeneticSexZygoteNucleic Acid HybridizationGenome, FungalDNAWaspsReproductionHybridization, GeneticGenetic MarkersGenetic LinkageCell NucleusGenotypeRestriction MappingProtaminesCucumis meloOvuleGerm CellsHeterozygoteBiological EvolutionGenome, PlantAneuploidyGametogenesisTranscription, GeneticDNA, PlantSequence Homology, Nucleic AcidSequence Analysis, DNACypriniformesSchizosaccharomycesSex Determination ProcessesBryophytaMicrosatellite RepeatsBlotting, SouthernSpecies SpecificitySeedsTransformation, GeneticSelection, GeneticQuantitative Trait LociGenetic VariationMitosisRNA, MessengerReproduction, AsexualGenomic LibraryGenetic Complementation TestPlasmidsChromosome SegregationDNA Restriction EnzymesZea maysRepetitive Sequences, Nucleic AcidChromosome DuplicationGenes, PlantGene DeletionFungal StructuresBryopsidaFernsCupressusSperm HeadSchizosaccharomyces pombe ProteinsGenetics, PopulationChromosome PairingGenomeInfertility, MaleSequence Homology, Amino Acid