Positional Cloning: Complex Cardiovascular Traits
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Cardiovascular traits represent the quintessential complex trait derived from the confluence of numerous genetic and environmental risk factors. Therefore, positional cloning of cardiovascular genes contributing to the common forms of cardiovascular disease is much more challenging than the mapping and isolation of genes contributing to rare Mendelian phenocopies of cardiovascular disease. Success requires careful and systematic phenotyping, large numbers of families that contain multiple patients, and high-quality genotyping covering for both genome scan and the follow-up case-control association study testing the genes and LD blocks within the linkage peaks.
