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Question 17

Which name is given to the rule that A joins with T and C joins with G, holding the two strands of DNA together?

  1. Identical pairing
  2. Complementary base pairingCorrect answer
  3. Matching strand copying
  4. Random base joining

Explanation

The word complementary is chosen because each base has one partner that completes it rather than one that copies it. Calling the rule identical pairing would mean A joining another A, which never happens and would leave the two strands unable to fit together.

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Question 17: Which name is given to the rule that A joins with T and C… · Genetics Basics · Questena