Recombination, GeneticGene FrequencyHomologous RecombinationCrossing Over, GeneticDNA RepairDNA Breaks, Double-StrandedModels, GeneticAllelesRad51 RecombinaseMutationChromosome MappingGenetic LinkageBase SequenceDNA DamageMeiosisMolecular Sequence DataGene ConversionDNASelection, GeneticGenetic MarkersCrosses, GeneticDNA-Binding ProteinsRad52 DNA Repair and Recombination ProteinPlasmidsHeterozygotePolymorphism, GeneticGenetic VariationGenotypeRecombinational DNA RepairPhenotypeEscherichia coliDNA ReplicationGene TargetingDNA HelicasesGenetics, PopulationChromosomes, FungalChromosome PairingDNA, Single-StrandedSaccharomyces cerevisiaeChromosomesRec A RecombinasesGene DeletionGenes, DominantIndians, South AmericanMethyl MethanesulfonateGenesDNA End-Joining RepairCell LinePolymorphism, Restriction Fragment LengthDNA, BacterialPedigreeHomozygoteAntigens, NuclearRestriction MappingExodeoxyribonucleasesUltraviolet RaysGenomic InstabilitySequence Analysis, DNAPolymerase Chain ReactionRepetitive Sequences, Nucleic AcidChromosomes, PlantSaccharomyces cerevisiae ProteinsRecombinasesDNA, FungalCloning, MolecularEvolution, MolecularDNA, ViralDNA Repair EnzymesEndodeoxyribonucleasesRecQ HelicasesNuclear ProteinsHaplotypesMutagensIntegrasesGenes, RecessiveEndonucleasesCell Cycle ProteinsGenetic Complementation TestDeoxyribonucleases, Type II Site-SpecificBlood Group AntigensDNA-Activated Protein KinaseModels, BiologicalPaternityDNA, CruciformAtaxia Telangiectasia Mutated ProteinsHeterozygote DetectionBlotting, SouthernNucleic Acid ConformationCentromereGamma RaysJewsDNA Breaks, Single-StrandedAmino Acid SequenceSister Chromatid ExchangeV(D)J RecombinationConsanguinityChromosome BreakageSequence Homology, Nucleic AcidDNA BreaksBRCA2 Protein