@article{
 title = {Association mapping in structured populations},
 type = {article},
 year = {2000},
 identifiers = {[object Object]},
 keywords = {*Genetics, Population,Alleles,Case-Control Studies,Chromosome Mapping/*methods/statistics & numerical,Computer Simulation,Female,Genetic Diseases, Inborn/genetics,Genetic Markers/genetics,Human,Linkage Disequilibrium/genetics,Male,Models, Genetic,Nuclear Family,Pedigree,Phenotype,Polymorphism, Single Nucleotide/genetics,Reproducibility of Results,Sensitivity and Specificity,Statistical Distributions,Support, Non-U.S. Gov't,Support, U.S. Gov't, Non-P.H.S.},
 pages = {170-81.},
 volume = {67},
 id = {52b6a822-9e4a-36b5-8089-ea2febd3914d},
 created = {2017-06-19T13:46:04.983Z},
 file_attached = {true},
 profile_id = {de68dde1-2ff3-3a4e-a214-ef424d0c7646},
 group_id = {b2078731-0913-33b9-8902-a53629a24e83},
 last_modified = {2017-06-19T13:46:05.122Z},
 tags = {02/12/06},
 read = {false},
 starred = {false},
 authored = {false},
 confirmed = {true},
 hidden = {false},
 source_type = {Journal Article},
 notes = {<m:note>eng<m:linebreak/>Journal Article</m:note>},
 abstract = {The use, in association studies, of the forthcoming dense genomewide collection of single-nucleotide polymorphisms (SNPs) has been heralded as a potential breakthrough in the study of the genetic basis of common complex disorders. A serious problem with association mapping is that population structure can lead to spurious associations between a candidate marker and a phenotype. One common solution has been to abandon case-control studies in favor of family-based tests of association, such as the transmission/disequilibrium test (TDT), but this comes at a considerable cost in the need to collect DNA from close relatives of affected individuals. In this article we describe a novel, statistically valid, method for case-control association studies in structured populations. Our method uses a set of unlinked genetic markers to infer details of population structure, and to estimate the ancestry of sampled individuals, before using this information to test for associations within subpopulations. It provides power comparable with the TDT in many settings and may substantially outperform it if there are conflicting associations in different subpopulations.},
 bibtype = {article},
 author = {Pritchard, J K and Stephens, M and Rosenberg, N A and Donnelly, P},
 journal = {Am J Hum Genet},
 number = {1}
}

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