Question

What happens if chain-termination mutation is in the S gene?

(a) Cell lysis is blocked

(b) Growth of cells containing low levels of packaging proteins is not allowed

(c) The lysis of cells is not carried artificially

(d) Packaging is not carried out efficiently

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This is a very interesting question from Cloning in Lambda in section Other Vector Systems for E of Genetic Engineering

Answer 1

Right option is (a) Cell lysis is blocked

To explain: If chain-termination mutation is carried out is in the S gene, cell lysis is blocked. The growth of cells having high levels of packaging proteins is carried out. The lysis is then carried out artificially.