Germ-Line MutationLi-Fraumeni SyndromeMutation, MissenseMutationGenetic Predisposition to DiseaseDNA Mutational AnalysisPedigreeGenes, p53HeterozygotePolymerase Chain ReactionPoint MutationBase SequenceMolecular Sequence DataMicrosatellite RepeatsGenotypeBreast NeoplasmsGerm CellsCell LineFrameshift MutationNeoplasms, Germ Cell and EmbryonalAllelesCell Line, TumorPhenotypeExonsSpermatogenesisAmino Acid SequenceTestisHomozygoteGonadsMutation RatePolymorphism, Single-Stranded ConformationalGenetic TestingChromosome MappingDNA-Binding ProteinsRNA, MessengerAmino Acid SubstitutionSequence Analysis, DNAWheat Germ AgglutininsDNA PrimersCaenorhabditis elegansDNASpermatozoaMutagenesisPolymorphism, GeneticOogenesisGerm LayersCell Line, TransformedTranscription FactorsDrosophila melanogasterSequence DeletionTranscription, GeneticSex Determination AnalysisNuclear ProteinsGene Expression Regulation, DevelopmentalGene DeletionMutagenesis, Site-DirectedCaenorhabditis elegans ProteinsSpermatogoniaPromoter Regions, GeneticCrosses, GeneticGenetic LinkageGene FrequencyCloning, MolecularPolymorphism, Single NucleotideCodon, NonsenseMice, TransgenicModels, GeneticSequence Homology, Amino AcidGenes, RecessiveProtein Structure, TertiaryRecombination, GeneticGene Expression RegulationSignal TransductionTransfectionDrosophila ProteinsGenetic VariationDNA, NeoplasmGenes, DominantDrosophilaDisease SusceptibilityGenes, BRCA1Cell DifferentiationReverse Transcriptase Polymerase Chain ReactionDNA RepairDisorders of Sex DevelopmentMice, Inbred C57BLFamily HealthGene ExpressionProtein BindingSyndromeMeiosisGenesSequence AlignmentBinding SitesPenetranceTooth GermMembrane ProteinsCodonProteinsSpermatocytes