Gene DosagePolymerase Chain ReactionDNA-Directed DNA PolymeraseRNA Polymerase IIMolecular Sequence DataChromosome MappingBase SequenceGenotypePhenotypePolymorphism, Single NucleotideDosage Compensation, GeneticMutationGenetic Predisposition to DiseaseAllelesGenetic LinkageDNA-Directed RNA PolymerasesQuantitative Trait LociDNA Polymerase ITranscription, GeneticDNA Polymerase IIGene Expression ProfilingGenetic Association StudiesDNA Polymerase IIIGenetic MarkersAmino Acid SequenceReverse Transcriptase Polymerase Chain ReactionHaplotypesPedigreeOligonucleotide Array Sequence AnalysisRNA Polymerase IRNA Polymerase IIISequence Analysis, DNARNA, MessengerEscherichia coliPolymorphism, GeneticDNA Polymerase betaDNA Mutational AnalysisTranscription FactorsHeterozygoteDNAGenetic VariationHomozygoteDNA PrimersPromoter Regions, GeneticGene FrequencyModels, GeneticTemplates, GeneticCloning, MolecularChromosomes, MammalianGene ExpressionCrosses, GeneticGene DeletionGenome-Wide Association StudySaccharomyces cerevisiaeGenesGene Expression RegulationDosage FormsPlasmidsDNA-Binding ProteinsLinkage DisequilibriumGene DuplicationExonsX ChromosomeGenome, HumanMice, Inbred C57BLDNA ReplicationChromosomes, Human, Pair 21In Situ Hybridization, FluorescenceX Chromosome InactivationGene AmplificationLod ScoreCase-Control StudiesMicrosatellite RepeatsGene Expression Regulation, DevelopmentalRNA ReplicaseDown SyndromeGenes, DominantGenes, FungalRNA-Directed DNA PolymeraseCell LineGenetic LociRNAMice, TransgenicSequence Homology, Amino AcidTrisomyDNA, BacterialKineticsNucleic Acid HybridizationGenes, PlantNuclear ProteinsSpecies SpecificityDisease Models, AnimalQuantitative Trait, HeritableGenes, BacterialSequence DeletionPoly(ADP-ribose) PolymerasesBacterial ProteinsGenes, X-LinkedExpressed Sequence TagsSaccharomyces cerevisiae Proteins