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Genetic Linkage

The Genetics of Nose-Picking

I’ve been bombarded lately with news releases reporting links between behavior and DNA.

In simpler times, genes encoded proteins, and the actions or absence of those proteins caused the trait or disease. But today, investigations from outside genetics – reported in psychology and politics journals, for example – are assigning genetic explanations to everything from liberalism to feelings about the death penalty to whether the sound of someone chewing is annoying.

Strange things can happen when non-geneticists publish genetics papers. So I thought I’d mention a few intriguing reports and propose a behavior to investigate: nose-picking. Read More 
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