According to Chargaff's rule, which of the following relationships is correct?

Show Answers

The sum of adenine and guanine equals the sum of thymine and cytosineThe ratio of adenine to thymine is equal to the ratio of guanine to cytosineAdenine, uracil, thymine, guanine, and cytosine are all equal in amountThe combined amount of adenine and thymine equals the combined amount of guanine and cytosineNone of the above

Explanation

Chargaff's rule states that in DNA, the total number of purines (adenine and guanine) is equal to the total number of pyrimidines (thymine and cytosine), hence A + G = T + C.