D.
A fixed allele is homozygous within a population so D should be the correct answer.
Hope this helps!
Answer:
Mitosis
Explanation:
Mitosis produces new cells, and replaces cells that are old, lost or damaged for a person's body cells.
I would say your answer is <span><span>The Earth’s surface is responsible for a small fraction of heat radiation to space</span>
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Genetic variation is when there are many offspring with different genetics, therefore some offspring might be able to adapt due to its genetics
