Genetic Diseases, InbornMutationPedigreeHeredityMutation, MissenseFerrochelataseCodon, NonsenseGenetic LinkagePhenotypeCystic FibrosisGenetic TherapyDNA Mutational AnalysisChromosome MappingGenetic TestingPoint MutationGenome, HumanGenetic Predisposition to DiseaseCystic Fibrosis Transmembrane Conductance RegulatorExonsGerm-Line MutationMolecular Sequence DataBase SequenceHeterozygoteAllelesSyndromeFamily HealthAmino Acid SequenceDisease Models, AnimalDNAGenotypeComputational BiologyPolymerase Chain ReactionModels, GeneticPolymorphism, Single NucleotideAmino Acid SubstitutionGenetic VectorsPolymorphism, GeneticGenetic MarkersFibroblastsProteinsMembrane ProteinsCell LineGene ExpressionDNA PrimersSequence Homology, Amino AcidModels, MolecularSequence Analysis, DNALiverReverse Transcriptase Polymerase Chain ReactionCells, CulturedTransfectionRNA, Messenger