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Genetics

10 August 2011

Intelligence rooted in the genes

New research indicates that up to half of human intelligence can be explained by genetics, but this involves small contributions by many different genes and not one overarching "smart" gene.

New research indicates that up to half of human intelligence can be explained by genetics, but this involves small contributions by many different genes and not one overarching "smart" gene.

Scientists have known that intelligence (or lack thereof) tends to run in families but it hasn't been clear how much of a role genetics plays. Nor has any single gene been strongly associated with "brains".

Genes and intelligence

 

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