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Chunk #4 — Historical context and background for modeling complex traits — GWAS in the modern era and fundamental concepts in genetic risk prediction

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Predicting Polygenic Risk of Psychiatric Disorders.
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Genetic risk prediction has long had a role in agriculture, with estimated breeding values predating genetic risk prediction in humans. While the fundamental concepts are similar, the contexts are quite different for many reasons, ethical and otherwise. When considering plant and animal breeding values in agricultural contexts, humans apply genomic prediction by enforcing artificial selection over many generations of breeding in strictly controlled environments not germane to human disease applications (13).