DiploidySperm CountSperm HeadSperm CapacitationEgg YolkOvumSperm MaturationEgg ProteinsSperm-Ovum InteractionsFertilizationHaploidySperm TransportSperm Injections, IntracytoplasmicAcrosomePloidiesInfertility, MaleEgg ShellSperm MidpieceEgg WhiteTriploidySemenSperm BanksSemen PreservationEpididymisZona PellucidaFertilityTetraploidySemen AnalysisParasite Egg CountTestisAneuploidyEjaculationCryopreservationZygoteReproductionMeiosisOocytesOligospermiaSperm WhaleOvipositionEgg HypersensitivityParthenogenesisVitelline MembraneHybridization, GeneticCrosses, GeneticKaryotypingSeminal Plasma ProteinsCypriniformesMolecular Sequence DataSexual Behavior, AnimalAsthenozoospermiaProtaminesInsemination, ArtificialChromosomesMutationSpecies SpecificityIn Situ Hybridization, FluorescenceSea UrchinsGenome, PlantSaccharomyces cerevisiaeFibroblastsBiological EvolutionCell NucleusGerm Cells, PlantMicroinjectionsSpermatozoaPregnancyDNA, PlantWaspsChromosomes, PlantFallopian TubesEchinodermataBase SequenceAllelesAzoospermiaPhenotypeInseminationChromosome MappingChromosome AberrationsCryoprotective AgentsTime FactorsSeminal Vesicle Secretory ProteinsDNAAmino Acid SequenceFlow CytometrySex Determination ProcessesMitosisOviductsRecombination, GeneticPhylogenySex RatioUrochordataVasectomyHymenopteraY ChromosomeCell AgingGossypiumGenetic VariationModels, GeneticWhales