CSS Screening Exams Quizzes MCQs Quizzes CSS Pre Screening GK of Everyday Science Test 4

Question:
In a DNA molecules, the rule for base pairing is:

Option A):
Adenine always bound with guanine and cytosine with thymine
Option B):
None of these
Option C):
Adenine always bound with cytosine and thymine with guanine
Option D):
Adenine always bound with thymine and cytosine with guanine

Correct Answer is Option D):
Adenine always bound with thymine and cytosine with guanine