Recombination, GeneticHomologous RecombinationCrossing Over, GeneticRad52 DNA Repair and Recombination ProteinV(D)J RecombinationBase SequenceMolecular Sequence DataMeiosisIntegrasesDNA RepairModels, GeneticMutationRad51 RecombinaseGene ConversionRecombinasesDNA NucleotidyltransferasesChromosome MappingPlasmidsVDJ RecombinasesDNA-Binding ProteinsDNA Breaks, Double-StrandedEvolution, MolecularPhylogenyEscherichia coliImmunoglobulin Class SwitchingSaccharomyces cerevisiaeGenetic VariationDNAAllelesDNA, FungalSequence Analysis, DNARec A RecombinasesAttachment Sites, MicrobiologicalChromosomes, FungalDNA HelicasesCrosses, GeneticImmunoglobulin Joining RegionChromosome PairingDNA DamageGenetic MarkersGenetic LinkageGenes, RAG-1ExodeoxyribonucleasesGene RearrangementChromosomesDNA, BacterialGene TargetingImmunoglobulin Switch RegionRepetitive Sequences, Nucleic AcidSequence Homology, Nucleic AcidDNA ReplicationAmino Acid SequenceBacteriophage lambdaSaccharomyces cerevisiae ProteinsCloning, MolecularGenome, ViralRestriction MappingExodeoxyribonuclease VSynaptonemal ComplexDNA, Single-StrandedRecombinational DNA RepairGene DeletionDNA Transposable ElementsSelection, GeneticBlotting, SouthernDNA, CruciformEndodeoxyribonucleasesPolymerase Chain ReactionDNA, ViralCell LinePhenotypeGenotypeChromosome InversionGene Rearrangement, B-LymphocyteGenes, FungalBacterial ProteinsDiploidyChromosomes, BacterialNucleic Acid HeteroduplexesSequence AlignmentGenes, BacterialDNA PrimersSister Chromatid ExchangeGenetic VectorsHaploidyEndonucleasesTransformation, GeneticMutagenesis, InsertionalRecQ HelicasesMutagenesisNuclear ProteinsDNA Repair EnzymesGenomic InstabilityDNA, RecombinantFungal ProteinsNucleic Acid ConformationGenes, ImmunoglobulinImmunoglobulin Variable RegionB-LymphocytesHaplotypes