Article
Worldwide allele frequencies of the human apolipoprotein E gene: Climate, local adaptations, and evolutionary history
21 Apr 2010
Abstract excerpt
The epsilon4 allele of the apolipoprotein E (APOE) gene is associated with increased cholesterol levels and heart disease. Population allele frequencies of APOE have previously been shown to vary, with epsilon4 frequencies generally increasing with latitude. We hypothesize that this trend resulted from natural selection protecting against low-cholesterol levels. In high-latitude cold environments and low-latitude...
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