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

Example Input: If an air mass forms over an ocean it is called a maritime air mass.
Example Output: If an air mass forms over an ocean it is called what type of air mass?

Example Input: The climate is defined as the temperature plus precipitation of an area over a long period of time.
Example Output: What is defined as the temperature plus precipitation of an area over a long period of time?

Example Input: Gap genes controls the shape of a developing zygote early in its development.
Example Output:
What controls the shape of a developing zygote early in its development?