Chargaff's rules state: adenine is complimentary to thymine and cytosine is complimentary to guanine. For this question, in order for polymerization of the growing complementary strand, guanine must bind with cytosine.
<span>Answer: B.C</span>
<span> i think it's the gene pool</span><span>
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C...? what's the question
<span>At the base of Arthropoda.</span>
