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Press Release 07-145

Earliest Evolution of Vision Genes Discovered

'Opsin' genes found in aquatic relatives of corals, jellyfish, sea anemones

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Opsin genes (pictured in blue) offer the first evidence of sight in animals.

Opsin genes (pictured in blue) are present in the cnidarian Hydra, the first evidence of sight in animals.

Credit: David Plachetzki/UCSB

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