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#159287
Mon 29 Apr 2013 07:41:PM
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Joined: Feb 2001
Posts: 381,904
Launch Director
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OP
Launch Director
Joined: Feb 2001
Posts: 381,904 |
A new study involving olfactory receptors provides evidence that a single gene is necessary for a mouse to avoid a cat. A research team has shown that removing one olfactory receptor from mice can have a profound effect on their behavior. The gene, called TAAR4, encodes a receptor that responds to a chemical that is enriched in the urine of carnivores. While normal mice innately avoid the scent marks of predators, mice lacking the TAAR4 receptor do not.  Source: Cat and mouse: One gene is necessary for mice to avoid predators
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