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

Example Input: After fertilization, a zygote forms into two cells.
Example Output: After fertilization, how many cells does a zygote form into?

Example Input: Chordates include vertebrates and invertebrates that have a notochord.
Example Output: Chordates include vertebrates and invertebrates that have what?

Example Input: Mrna is the message sent from the nucleus to the ribosome.
Example Output:
What is the message sent from the nucleus to the ribosome?