Which of the Following Refer to Nonrecombinant Plasmids

Question

Which of the following refer to nonrecombinant plasmids?
A) resealed cloning vectors with no DNA fragment inserted
B) plasmids with DNA fragments inserted into the cloning vector
C) plasmids with no DNA fragment inserted
D) resealed cloning vectors with DNA fragments inserted into the cloning vector

Accepted Answer

Nonrecombinant plasmids are those that do not have any foreign DNA inserted into them. Option A describes plasmids that have been resealed without any DNA fragment inserted, making them nonrecombinant.