Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: An allele that's always expressed over another is a dominant allele.
[EX A]: What's the term for an allele that's always expressed over another?

[EX Q]: Pyramid ecosystem is used to show energy flow through the trophic levels.
[EX A]: What is used to show energy flow through the trophic levels?

[EX Q]: Each hemisphere of the cerebrum divided into 4 lobes.
[EX A]:
How many lobes is each hemisphere of the cerebrum divided into?