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The DNA base-pairing rule states that Adenine (A) always pairs with Thymine (T) and Guanine (G) always pairs with Cytosine (C). If a segment of DNA is 30% Cytosine, what percentage of the DNA is Adenine?

If a segment of DNA is 30% Cytosine, what percentage of the DNA is Adenine?

  1. 30%
  2. 40%
  3. 20%
  4. 70%

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