Answer:
B. Different genes are expressed due to their environment.
Explanation:
I think it's this one because it makes the most sense, but I'm still not sure sorry
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Because it can respire anaerobically, without oxygen.
Hope this helps!
The most appropriate answer is A !!
Answer:
<u>Two different alleles come together and produce both trait forms</u>. Two different alleles come together and produce a trait form that is neither dominant nor recessive. a chromosome that determines the X or Y of an organism.