Based on what you know about transitions and transversions, which of the following evolutionary changes is least likely?
A) A change from A to G
B) A change from G to A
C) A change from T to A
D) A change from C to T
E) All of the changes are equally likely.

Question

Quizplus · Accepted Answer

Transversions are less likely than transitions, and a change from T to A is a transversion, while the other options are transitions. Therefore, a change from T to A is the least likely evolutionary change.

Based on What You Know About Transitions and Transversions, Which