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

Input: Consider Input: Muscle groups are controlled by the motor cortex .

Output: Muscle groups are controlled by what mechanism?


Input: Consider Input: Bones are made up of different types of tissue.

Output: Bones are made up of different types of what?


Input: Consider Input: When represented by a single letter, dominant alleles are represented by uppercase letters.
Output: When represented by a single letter dominant alleles are represented by what case letter?