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July 10 2014

Algae May Hold Key to Origin of the Sexes


A tiny, unassuming little alga may hold the secret to how the sexes evolved.

A single gene that determines male or female sex in multicellular algae evolved from a more primitive version found in a single-celled ancestor that doesn't have sexes, according to a new study.

The new discovery could point to one of the key genetic steps involved in the origin of the sexes.

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