Which of the Following Is NOT a Step in the Sequence

Multiple Choice

Which of the following is NOT a step in the sequence for construction of a chimeric plasmid?

A) annealing the ends of the vector and foreign DNA
B) cutting the source of the foreign DNA with a restriction endonuclease
C) reannealing the ends of the vector back together
D) cutting the vector plasmid with the same restriction endonuclease