Recombination, GeneticRec A RecombinasesCrossing Over, GeneticHomologous RecombinationMeiosisMolecular Sequence DataBase SequenceMutationEscherichia coliDNA RepairRad51 RecombinaseDNA, Single-StrandedModels, GeneticRadiation GeneticsChromosome MappingCrosses, GeneticGene ConversionRad52 DNA Repair and Recombination ProteinV(D)J RecombinationIntegrasesPlasmidsDNA, ViralPhylogenyGenetic VariationDNA, BacterialDNA-Binding ProteinsHepatitis A AntigensEvolution, MolecularDNA HelicasesGenetic MarkersDNAGenetics, MicrobialExodeoxyribonuclease VColiphagesSaccharomyces cerevisiaeGenome, ViralDiploidyDNA, CruciformDNA, FungalExodeoxyribonucleasesSequence Analysis, DNAAllelesGenetic LinkageExonucleasesChromosomesUltraviolet RaysNucleic Acid ConformationProflavineNucleic Acid HeteroduplexesGenesRecombinasesBacterial ProteinsEndodeoxyribonucleasesDNA, CircularDNA ReplicationDNA Transformation CompetenceBacteriophage lambdaRestriction MappingHaploidyDNA NucleotidyltransferasesGenes, BacterialGenotypeDNA DamageSequence Homology, Nucleic AcidAmino Acid SequenceT-PhagesVDJ RecombinasesDeoxyribonucleasesDNA Breaks, Double-StrandedAdenosine TriphosphatasesGeneticsGenes, FungalStreptomycinSaccharomyces cerevisiae ProteinsDNA, RecombinantDNA VirusesEscherichia coli ProteinsRepetitive Sequences, Nucleic AcidCloning, MolecularSelection, GeneticViral ProteinsEndonucleasesRadiation EffectsConjugation, GeneticRNA, ViralPhenotypeImmunoglobulin Class SwitchingPolymerase Chain ReactionChromosomes, PlantDNA Repair EnzymesGenes, ViralNitrosoguanidinesChromosomes, BacterialDNA Transposable ElementsBiological EvolutionBlotting, SouthernHybridization, GeneticGenetic Complementation TestFungal ProteinsTransformation, Genetic