What is the difference between the Ac and Ds elements identified by McClintock?
A) Ac can move on its own or in the presence of Ds.
B) Ds can move on its own or in the presence of Ac.
C) Only the Ds element can disrupt genes.
D) Ac can move only in the presence of Ds.
E) Only the Ac element can disrupt genes.

Question

Quizplus · Accepted Answer

Ac is an autonomous transposable element, meaning that it can move on its own, while Ds is a nonautonomous transposable element that requires the presence of Ac to mobilize. Therefore, A is the correct answer. B, C, D, and E are incorrect.

What Is the Difference Between the Ac and Ds Elements