Rory and Dory are identical twin rats. The lateral area of Rory's hypothalamus has been destroyed ...

Rory and Dory are identical twin rats. The lateral area of Rory's hypothalamus has been destroyed in a tragic exercise wheel accident. The ventromedial nucleus of Dory's hypothalamus has an electrode implanted in it that is constantly stimulating that part of her brain. This situation has existed for a week now. How will Rory's weight compare to Dory's?
 
  a. Rory weighs much more than Dory.
  b. Dory weighs much more than Rory.
  c. Dory and Rory are both tremendously overweight.
  d. Dory and Rory are both extremely underweight.