Question

In DNA when AGCT occurs, their association is as per which of the following pair?

• A. AC-GT
• B. AG-CT
• C. AT-GC
• D. All of these

Answer 1

Answer: (C)

In a DNA molecule, the purine adenine in either chain is associated with the pyrimidine thymidine in the other.
Similarly, purine guanine in either chain is associated with pyrimidine cytosine in the other.