DNA BreaksDNA Breaks, Double-StrandedDNA Breaks, Single-StrandedDNA DamageDNA RepairRecombination, GeneticComet AssayChromosome BreakageDNADNA-Binding ProteinsRad51 RecombinaseAntigens, NuclearDNA End-Joining RepairAtaxia Telangiectasia Mutated ProteinsGamma RaysDNA, Single-StrandedRecombinational DNA RepairDNA Topoisomerases, Type IIDNA Repair EnzymesAmsacrineCell Cycle ProteinsPoly(ADP-ribose) PolymerasesHistonesDNA LigasesEndodeoxyribonucleasesTopoisomerase II InhibitorsExodeoxyribonucleasesMeiosisImmunoglobulin Class SwitchingGenomic InstabilityDNA HelicasesAminoacridinesRadiation, IonizingHomologous RecombinationDNA ReplicationTeniposideDNA, FungalNuclear ProteinsProtein-Serine-Threonine KinasesMutationEndonucleasesSaccharomyces cerevisiae ProteinsCytidine DeaminaseSaccharomyces cerevisiaeTopoisomerase I InhibitorsTelomereDNA Topoisomerases, Type ITumor Suppressor ProteinsChromatinChromosomes, FungalUltraviolet RaysCell CycleCell LineCheckpoint Kinase 2EthacridineDose-Response Relationship, RadiationCell SurvivalRad52 DNA Repair and Recombination ProteinDeoxyribonucleases, Type II Site-SpecificEnediynesNijmegen Breakage SyndromeMolecular Sequence DataModels, GeneticExodeoxyribonuclease VDNA-Activated Protein KinaseDNA, CruciformRecQ HelicasesChromosome AberrationsGene ConversionMethyl MethanesulfonatePhleomycinsEtoposideCell NucleusChromosomal InstabilityHeLa CellsChromatidsReplication Protein APoly Adenosine Diphosphate RiboseMutagensPodophyllotoxinApoptosisBleomycinX-RaysVDJ RecombinasesTranslocation, GeneticChromosomal Proteins, Non-HistoneGene RearrangementEllipticinesIntercalating AgentsPlasmidsAtaxia TelangiectasiaDNA, NeoplasmSister Chromatid ExchangePhosphorylationBRCA1 ProteinDeoxyribonucleasesG2 PhaseChromosome PairingTumor Suppressor Protein p53Fibroblasts