Polymorphism, GeneticPolymorphism, Single NucleotideGenetic Predisposition to DiseaseGene FrequencyAllelesHaplotypesCase-Control StudiesGenotypePolymerase Chain ReactionPolymorphism, Single-Stranded ConformationalGenetic Association StudiesLinkage DisequilibriumAsian Continental Ancestry GroupGenetic VariationSequence Analysis, DNABase SequenceGenetic MarkersHomozygoteMolecular Sequence DataRisk FactorsPhenotypeMethylenetetrahydrofolate Reductase (NADPH2)European Continental Ancestry GroupAmplified Fragment Length Polymorphism AnalysisChinaHeterozygotePromoter Regions, GeneticExonsOdds RatioDNA PrimersChromosome MappingMicrosatellite RepeatsGenome-Wide Association StudyDNA Mutational AnalysisMutationGenetic LinkagePeptidyl-Dipeptidase AGenetics, PopulationGlutathione TransferaseCatechol O-MethyltransferaseAmino Acid SubstitutionJapanPhylogenyIntronsDNAPharmacogeneticsMinisatellite RepeatsGlutathione S-Transferase piModels, GeneticCohort StudiesCodonDeoxyribonucleases, Type II Site-SpecificINDEL MutationRiskSerotonin Plasma Membrane Transport ProteinsSelection, GeneticXeroderma Pigmentosum Group D ProteinPedigreeGenotyping TechniquesAryl Hydrocarbon HydroxylasesGenetic LociPublication BiasKoreaGenetic TestingSpecies SpecificityDNA FingerprintingReceptors, CalcitriolAryldialkylphosphataseEvolution, MolecularArylamine N-AcetyltransferaseSmokingGenome, HumanPoint MutationMutation, MissenseCytochrome P-450 CYP1A1Ethnic GroupsLogistic ModelsDinucleotide RepeatsTandem Repeat SequencesAmino Acid SequenceChi-Square DistributionQuantitative Trait LociHeterozygote DetectionAge of OnsetDNA, Bacterial5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseIndiaDiabetes Mellitus, Type 2TunisiaValineCytochrome P-450 CYP2E1Colorectal Neoplasms3' Untranslated RegionsEpistasis, GeneticBreast NeoplasmsBacterial Typing TechniquesDNA, PlantPolandGlucuronosyltransferaseApolipoproteins E