instruction:
Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.
question:
Fact: Alternation of generations allows for creating young by asexual and sexual means. 
Question: What allows for an organism to create young by sexual and asexual means?
answer:
alternation of generations.


question:
Fact: When heat passes through metal, that metal expands. 
Question: What happens to metal when heat passes through it?
answer:
It expands.


question:
Fact: Skin color is governed by two or more sets of alleles. 
Question: What determines skin color?
answer:

Two or more sets of alleles.