If a mutation in a transposable element results in a change in its inverted repeat sequences, it is most likely that the element will
A) knock out an essential gene.
B) knock out a gene that is not essential.
C) no longer be able to produce the enzyme that allows it to move.
D) no longer be recognized by the enzyme that allows it to move.
E) become a composite element.

Question

Quizplus · Accepted Answer

The inverted repeat sequences are important for recognition by the enzyme that allows transposable elements to move (transposase). If these sequences are changed, it is likely that the element will no longer be recognized by the enzyme and will not be able to move to different locations in the genome. Therefore, choice D is correct as it suggests that the element will no longer be recognized by the enzyme that allows it to move.

If a Mutation in a Transposable Element Results in a Change