The correct option is D Amount of adenine ( A ) is equal to that of thymine ( T) and the amount of guanine ( G) is equal to that of cytosine
According to Chargaff's rule,
Percentage of adenine = percentage of thymine and percentage of guanine = percentage of cytosine.
This is just an out come of the face that :
Adenine and thymine are complementary and guanine and cytosine are complementary.