Gene DosageGene Expression ProfilingGene ExpressionGene Expression RegulationBase SequenceMolecular Sequence DataRNA, MessengerOligonucleotide Array Sequence AnalysisTranscription, GeneticDosage Compensation, GeneticGene Expression Regulation, DevelopmentalPromoter Regions, GeneticTranscription FactorsMutationReverse Transcriptase Polymerase Chain ReactionPhenotypeAmino Acid SequenceGene Expression Regulation, NeoplasticGene Expression Regulation, PlantDNA-Binding ProteinsGene Expression Regulation, BacterialCloning, MolecularGenesPolymerase Chain ReactionRibosomal ProteinsPlasmidsGene Expression Regulation, FungalGene Expression Regulation, EnzymologicCell LineSignal TransductionMice, TransgenicCells, CulturedDNA PrimersGene Expression Regulation, ViralAllelesMice, Inbred C57BLDNABlotting, NorthernGene DeletionGenes, ReporterChromosome MappingSaccharomyces cerevisiaeGenes, BacterialGene DuplicationGenotypeMultigene FamilySequence Analysis, DNABacterial ProteinsModels, GeneticGenes, FungalNuclear ProteinsDosage FormsRNAHeterozygoteRepressor ProteinsCluster AnalysisNucleic Acid HybridizationEscherichia coliTrans-ActivatorsCell DifferentiationGenes, RegulatorCarrier ProteinsTranscriptomeX Chromosome InactivationUbiquitin ThiolesteraseHomeodomain ProteinsTransfectionMice, KnockoutRestriction MappingPhylogenyTime FactorsX ChromosomeDNA, ComplementaryHomozygoteSequence Homology, Amino AcidCell Line, TumorTranscriptional ActivationLiverIn Situ HybridizationBlotting, WesternMicroarray AnalysisSequence Homology, Nucleic AcidHaploinsufficiencyUp-RegulationGenetic VectorsExonsDown SyndromeImmunohistochemistryDrosophila melanogasterIntronsModels, BiologicalProtein BiosynthesisCell NucleusProteinsDrosophila ProteinsTrisomyMembrane ProteinsDisease Models, AnimalDown-RegulationEvolution, Molecular