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News From the Field

Paddlefish's Doubled Genome Calls Into Question Theories on Limb Evolution


August 7, 2012

a juvenile paddlefish The American paddlefish--known for its bizarre, protruding snout and eggs harvested for caviar--duplicated its entire genome about 42 million years ago. This finding may impact the way scientists study how fins evolved into limbs since the paddlefish is often used as a proxy for a more representative ancestor shared by humans and fishes. Full Story

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San Francisco State University

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