Giardia Bares All: Parasite genes reveal long sexual history | Science News

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Giardia Bares All: Parasite genes reveal long sexual history

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7:36am, January 26, 2005

While it hasn't yet been caught in the act, a single-celled parasite has been ready for sex for billions of years. A new research finding provides evidence that sexual reproduction started as soon as life forms that have nuclei and organelles within their cells branched off from their structurally simpler ancestors.

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