A first-of-its-kind, nationally representative study of siblings in the United States finds that, within families, an adolescent with a higher ‘polygenic score’ — which summarizes previously identified genome-wide associations for educational attainment — than her or his sibling tended to go on to complete more years of schooling.
http://www.sciencedaily.com/releases/2015/08/150820125404.htm
Causal connection found between genotypes, years of education achieved
20 August 2015
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