Erwin Chargaff Showed That DNA That Has 30% Adenine Has

Question

Erwin Chargaff showed that DNA that has 30% adenine has ___ thymine.
A) 20%
B) 30%
C) 60%
D) 40%
E) a percentage that cannot be determined of

Accepted Answer

According to Chargaff's rules, in DNA, the amount of adenine (A) is equal to the amount of thymine (T). Therefore, if there is 30% adenine, there must also be 30% thymine.