Germ-Line MutationLi-Fraumeni SyndromeMutation, MissenseMutationDNA Mutational AnalysisPedigreeGenes, p53HeterozygotePolymerase Chain ReactionGenetic Predisposition to DiseasePoint MutationMolecular Sequence DataBase SequenceMicrosatellite RepeatsGenotypeBreast NeoplasmsCheckpoint Kinase 2Germ CellsCell LineFrameshift MutationNeoplasms, Germ Cell and EmbryonalCell Line, TumorSpermatogenesisAllelesExonsAmino Acid SequenceTestisProtein-Serine-Threonine KinasesGonadsMutation RateAmino Acid SubstitutionPhenotypeWheat Germ AgglutininsSequence Analysis, DNACaenorhabditis elegansRNA, MessengerSpermatozoaSequence DeletionOogenesisDNA-Binding ProteinsGerm LayersHomozygotePolymorphism, Single-Stranded ConformationalMutagenesisDNA PrimersDrosophila melanogasterCell Line, TransformedSex Determination AnalysisMutagenesis, Site-DirectedCaenorhabditis elegans ProteinsSpermatogoniaGene Expression Regulation, DevelopmentalDNATranscription, GeneticChromosome MappingTranscription FactorsGene DeletionCloning, MolecularPromoter Regions, GeneticGenetic TestingNuclear ProteinsGenes, BRCA1Crosses, GeneticDrosophilaSequence Homology, Amino AcidCodon, NonsenseDrosophila ProteinsDisorders of Sex DevelopmentProtein Structure, TertiaryTransfectionSequence AlignmentMeiosisMice, TransgenicCell DifferentiationTooth GermGene Expression RegulationSpermatocytesRecombination, GeneticGenes, RecessiveGenetic Complementation TestSignal TransductionDNA, NeoplasmBinding SitesGenetic VariationGenes, BRCA2Protein BindingGenesSeminiferous TubulesModels, GeneticGene ExpressionJewsReverse Transcriptase Polymerase Chain ReactionFounder EffectGene FrequencyGenes, DominantMembrane ProteinsTesticular NeoplasmsCodonGametogenesisModels, Molecular