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Am J Hum Genet. 2005 Mar;76(3):538-42. Epub 2005 Jan 18.

Association testing in a linked region using large pedigrees.

Author information

1
Department of Human Genetics, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA 90095-7088, USA. rcantor@mednet.ucla.edu

Abstract

This report describes computer implementation of a scheme for joint linkage and association analysis. The model implemented in the computer package Mendel estimates both recombination and linkage-disequilibrium parameters and conducts likelihood-ratio tests for (1) linkage alone, (2) linkage and association simultaneously, and (3) association in the presence of linkage. Application of the method to data from Finnish pedigrees with familial combined hyperlipidemia illustrates its potential for identification of associated SNP haplotypes in the presence of linkage. For the test results to be valid, good estimates of haplotype frequencies must be used in the analysis.

PMID:
15657872
PMCID:
PMC1196405
DOI:
10.1086/428628
[Indexed for MEDLINE]
Free PMC Article

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