The correct base pairing for DNA is

  • A adenine → thymine and guanine → cytosine
  • B adenine → guanine and thymine → cytosine
  • C adenine → cytosine and guanine → thymine
  • D adenine → adenine and cytosine → cytosine
jamb 2012biology

The correct answer is A. adenine → thymine and guanine → cytosine

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