If a stretch of human double-stranded DNA contains 47% G and C bases, then ____.
A) it contains 47% A and T bases
B) there are more pyrimidines than purines
C) there are more purines than pyrimidines
D) it contains 53% A and T bases
E) there are no genes in this stretch of DNA

Question

Quizplus · Accepted Answer

In double-stranded DNA, the percentage of G and C bases is equal to the percentage of A and T bases. If 47% are G and C, then the remaining 53% must be A and T.

If a Stretch of Human Double-Stranded DNA Contains 47% G