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Letter: Do single-celled organisms do sex?

Published 11 November 2015

From Karen Scott

Single-celled organisms don’t need sex. They exchange DNA segments. They can even select particularly useful bits to exchange. Only multicellular organisms are stuck with original DNA when cloning; that, or waiting for some virus or fungus to screw with their DNA.
Ithaca, New York, US

Issue no. 3047 published 14 November 2015

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