Crossing Over, GeneticSynaptonemal ComplexRecombination, GeneticChromosome PairingMeiosisHomologous RecombinationCross-Over StudiesRad52 DNA Repair and Recombination ProteinV(D)J RecombinationBase SequenceMolecular Sequence DataGene ConversionModels, GeneticDNA RepairRad51 RecombinaseIntegrasesMutationRecombinasesChromosome MappingDNA Breaks, Double-StrandedDNA NucleotidyltransferasesPlasmidsDNA-Binding ProteinsVDJ RecombinasesChromosomes, FungalSaccharomyces cerevisiaeEvolution, MolecularImmunoglobulin Class SwitchingPhylogenyAllelesDNA, FungalDNAGenetic VariationRec A RecombinasesAttachment Sites, MicrobiologicalEscherichia coliDNA HelicasesGenetic MarkersSequence Analysis, DNADNA, CruciformDouble-Blind MethodGenetic LinkageChromosomesCrosses, GeneticDNA DamageImmunoglobulin Joining RegionSaccharomyces cerevisiae ProteinsExodeoxyribonucleasesGene RearrangementRepetitive Sequences, Nucleic AcidGenes, RAG-1Bacteriophage lambdaSequence Homology, Nucleic AcidGene TargetingImmunoglobulin Switch RegionDNA ReplicationEndodeoxyribonucleasesDNA, BacterialGenome, ViralRestriction MappingRecombinational DNA RepairExodeoxyribonuclease VDNA, Single-StrandedChromosome InversionDNA Transposable ElementsCloning, MolecularBlotting, SouthernGene DeletionSelection, GeneticAmino Acid SequencePachytene StageGenotypeDNA, ViralSister Chromatid ExchangeNucleic Acid HeteroduplexesPolymerase Chain ReactionEndonucleasesGenes, FungalDiploidyRecQ HelicasesGene Rearrangement, B-LymphocyteChromosomes, BacterialPhenotypeChromosome BreakageNuclear ProteinsNondisjunction, GeneticHaplotypesCell LineNucleic Acid ConformationGenomic InstabilityDNA PrimersMutagenesis, InsertionalGenetic VectorsHaploidySequence AlignmentTransformation, GeneticDNA Repair EnzymesDNA, RecombinantFungal ProteinsMitosis