Gene DosagePhenotypeDosage Compensation, GeneticMutationAllelesMolecular Sequence DataHeterozygoteGenotypeDosage FormsBase SequenceGene DeletionMice, TransgenicHomozygoteGene DuplicationChromosome MappingMice, Inbred C57BLX Chromosome InactivationX ChromosomeSaccharomyces cerevisiaeDown SyndromeHaploinsufficiencyMice, KnockoutGenes, FungalTrisomyPlasmidsTranscription FactorsChromosomes, Human, Pair 21Crosses, GeneticGene Expression Regulation, DevelopmentalAmino Acid SequenceGenesRNA, MessengerMice, Mutant StrainsSuppression, GeneticGene Expression RegulationAneuploidyGene ExpressionTranscription, GeneticGenetic Complementation TestPolymerase Chain ReactionEscherichia coliEye AbnormalitiesModels, GeneticDNA-Binding ProteinsDNA Mutational AnalysisCloning, MolecularIn Situ Hybridization, FluorescenceDisease Models, AnimalPedigreeDrosophila ProteinsGene AmplificationGenes, BacterialPolyploidyGenes, X-LinkedGenes, RegulatorGenes, LethalSignal TransductionGene Expression ProfilingCell DifferentiationReverse Transcriptase Polymerase Chain ReactionCharcot-Marie-Tooth DiseaseHomeodomain ProteinsGenes, DominantOligonucleotide Array Sequence AnalysisSaccharomyces cerevisiae ProteinsSequence DeletionCells, CulturedDrosophila melanogasterDrosophilaGenomic ImprintingSex ChromosomesFungal ProteinsBacterial ProteinsMorphogenesisExonsRepressor ProteinsGene Expression Regulation, FungalCell LineNuclear ProteinsDiploidyHereditary Sensory and Motor NeuropathyGenetic LinkageMembrane ProteinsPAX2 Transcription FactorChromosomes, BacterialChromosome AberrationsDNA PrimersPloidiesHaploidyCell DivisionDNAPromoter Regions, GeneticGenetic VariationChromosome DeletionChromosomesMutagenesis, InsertionalImmunohistochemistryDNA Transposable ElementsSequence Analysis, DNAGenetic Predisposition to Disease