instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
An allele that's always expressed over another is a dominant allele.
answer:
What's the term for an allele that's always expressed over another?


question:
When the smooth muscle relaxes, the arterioles dilate, allowing blood to enter the capillaries.
answer:
When the smooth muscle relaxes, the arterioles dilate, allowing blood to enter the what?


question:
Ethers class of oxygencontaining compounds is formed by the dehydration of alcohols.
answer:
What class of oxygencontaining compounds is formed by the dehydration of alcohols?