Recombination, GeneticGenomeHomologous RecombinationBase SequenceGenome, ViralGenome, BacterialMolecular Sequence DataCrossing Over, GeneticRad52 DNA Repair and Recombination ProteinV(D)J RecombinationDNA RepairModels, GeneticMeiosisMutationIntegrasesRad51 RecombinaseChromosome MappingPhylogenySequence Analysis, DNAEvolution, MolecularGene ConversionGenome, HumanGenome, PlantDNARecombinasesPlasmidsDNA NucleotidyltransferasesDNA-Binding ProteinsDNA Breaks, Double-StrandedEscherichia coliGenetic VariationRec A RecombinasesDNA, Single-StrandedVDJ RecombinasesDNA ReplicationDNA DamageSaccharomyces cerevisiaeGenome, FungalDNA, ViralGenome, MitochondrialDNA, FungalDNA HelicasesRepetitive Sequences, Nucleic AcidDNA, BacterialImmunoglobulin Class SwitchingAllelesAttachment Sites, MicrobiologicalAmino Acid SequenceChromosomes, FungalSequence Homology, Nucleic AcidNucleic Acid ConformationGenetic MarkersGene RearrangementChromosomesExodeoxyribonucleasesGenetic LinkageCloning, MolecularCrosses, GeneticDNA Transposable ElementsRestriction MappingChromosome PairingSequence AlignmentImmunoglobulin Joining RegionSaccharomyces cerevisiae ProteinsBacteriophage lambdaGene TargetingPolymerase Chain ReactionNucleic Acid HeteroduplexesGenes, RAG-1EndodeoxyribonucleasesImmunoglobulin Switch RegionCell LineBlotting, SouthernSelection, GeneticGene DeletionExodeoxyribonuclease VDNA, CruciformGenome SizeDNA PrimersChromosomes, BacterialViral ProteinsRecombinational DNA RepairGenotypeRNA, ViralSynaptonemal ComplexGenomic InstabilityChromosome InversionBacterial ProteinsGenomicsGenes, BacterialEndonucleasesGenome, ArchaealGenes, FungalBase CompositionGenome, InsectSpecies SpecificityPhenotypeTranscription, GeneticMutagenesis, InsertionalMutagenesis