Question

A portion of phage is removed and in place of it, the DNA of interest is inserted. This type of vector is called as __________

(a) displacement vector

(b) insertion vector

(c) substitution vector

(d) transposition vector

This question was posed to me in semester exam.

I'd like to ask this question from Cloning in Lambda in division Other Vector Systems for E of Genetic Engineering

Answer 1

Right answer is (c) substitution vector

Easy explanation: If a portion of phage is removed and in its place, the DNA of interest is inserted, it is called as substitution or replacement vector.