Gene FrequencyAllelesGenotypePolymorphism, GeneticPolymorphism, Single NucleotideGenetic VariationGenetic Predisposition to DiseaseHaplotypesCase-Control StudiesLinkage DisequilibriumGenetics, PopulationHomozygoteAsian Continental Ancestry GroupPolymorphism, Restriction Fragment LengthPolymerase Chain ReactionHeterozygoteGenetic Association StudiesEuropean Continental Ancestry GroupPhenotypeAryl Hydrocarbon HydroxylasesMutationModels, GeneticSequence Analysis, DNABase SequenceMolecular Sequence DataRisk FactorsExonsGenetic MarkersReceptor, Melanocortin, Type 1African Continental Ancestry GroupPharmacogeneticsGenome-Wide Association StudySelection, GeneticHair ColorChinaDNA Mutational AnalysisOdds RatioMicrosatellite RepeatsMannose-Binding LectinXeroderma Pigmentosum Group D ProteinPedigreeDNA PrimersCollectinsChromosome MappingReceptors, CorticotropinMethylenetetrahydrofolate Reductase (NADPH2)DNASkin PigmentationAmino Acid SubstitutionCohort StudiesArylamine N-AcetyltransferaseGenome, HumanHeterozygote DetectionEthnic GroupsGenetic TestingGenetic LinkageCytochrome P-450 CYP2D6Receptors, MelanocortinPromoter Regions, GeneticIntronsGenetic LociAmino Acid SequenceGenetic DriftPoint MutationMutation, MissenseRiskCytochrome P-450 CYP1A1Genotyping TechniquesDNA RepairSmokingPolymorphism, Single-Stranded Conformational3' Untranslated RegionsCodonBreast NeoplasmsDNA-Binding ProteinsGlutathione TransferaseGlutathione S-Transferase piComputer SimulationAfrican AmericansHapMap ProjectJapanLung NeoplasmsMixed Function OxygenasesPopulationGlucuronosyltransferaseExomeCytochrome P-450 Enzyme SystemEpoxide HydrolasesQuantitative Trait LociNAD(P)H Dehydrogenase (Quinone)Colorectal NeoplasmsChi-Square DistributionLikelihood FunctionsIndiaCytochrome P-450 CYP3AGene PoolEvolution, MolecularReference ValuesInheritance PatternsLogistic Models