Knockout Experiments Concerning Pheromone Receptors in the Vomeronasal Organ (VNO)

question 109

Multiple Choice

Knockout experiments concerning pheromone receptors in the vomeronasal organ (VNO) of mice have revealed that

• A) there is a single gene controlling mating behavior in mice.
• B) VNO receptors are necessary for a male mouse to identify whether another mouse is male or female.
• C) mating behavior in male mice requires VNO receptors.
• D) a male mouse without VNO receptors is aggressive toward other males.
• E) a normal male mouse with VNO receptors will attempt to mate with another male.

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