Gene DosageDosage Compensation, GeneticMolecular Sequence DataBase SequenceRibosomal ProteinsMutationGenesAmino Acid SequencePhenotypeTranscription, GeneticCloning, MolecularDosage FormsGene DuplicationAllelesHeterozygotePlasmidsRNA, MessengerGene Expression RegulationGenotypeUbiquitin ThiolesteraseChromosome MappingX Chromosome InactivationGenes, FungalGenes, BacterialPolymerase Chain ReactionPromoter Regions, GeneticGene DeletionMice, TransgenicSaccharomyces cerevisiaeX ChromosomeHaploinsufficiencyHomozygoteDown SyndromeGene ExpressionTranscription FactorsTrisomyChromosomes, Human, Pair 21Escherichia coliSequence Analysis, DNABacterial ProteinsRestriction MappingDNA-Binding ProteinsDNAPhylogenyMultigene FamilyNucleic Acid HybridizationThiolester HydrolasesAneuploidyGene Expression Regulation, DevelopmentalGenes, RegulatorGene AmplificationCarrier ProteinsMice, Inbred C57BLExonsSequence Homology, Nucleic AcidIn Situ Hybridization, FluorescenceSequence Homology, Amino AcidDNA PrimersSuppression, GeneticGene Expression Regulation, FungalBlotting, SouthernCrosses, GeneticPolyploidyIntronsGenes, X-LinkedDNA Mutational AnalysisMice, Mutant StrainsGenetic VariationMice, KnockoutModels, GeneticEvolution, MolecularGenes, ViralDrosophila melanogasterReverse Transcriptase Polymerase Chain ReactionSequence DeletionEye AbnormalitiesCharcot-Marie-Tooth DiseaseChromosomes, BacterialFungal ProteinsSex ChromosomesMyelin ProteinsDNA, BacterialGene Expression ProfilingBlotting, NorthernSaccharomyces cerevisiae ProteinsOligonucleotide Array Sequence AnalysisCapsidOperonPolymorphism, GeneticRNA, RibosomalDrosophila ProteinsPrionsGenomic ImprintingDNA Restriction EnzymesHaploidyHereditary Sensory and Motor NeuropathyMembrane ProteinsNuclear ProteinsSequence AlignmentGenetic Complementation Test