If a person obtains transformants by inserting a recombinant DNA within the coding sequence of enzyme β-galactosidase, he will separate out recombinants from non-recombinants by which of the following observations?

Question

If a person obtains transformants by inserting a recombinant DNA within the coding sequence of enzyme β-galactosidase, he will separate out recombinants from non-recombinants by which of the following observations? (A) Non-recombinant colonies do not produce any colour whereas recombinants give blue coloured colonies (B) Recombinant colonies do not produce any colour whereas non-recombinants give blue coloured colonies (C) Recombinants and non-recombinants both produce blue coloured colonies (D) No colonies are formed due to insertional inactivation

Tardigrade Admin · Accepted Answer

Correct answer is (b) Recombinant colonies do not produce any colour whereas non-recombinants give blue coloured colonies

Q. If a person obtains transformants by inserting a recombinant DNA within the coding sequence of enzyme β-galactosidase, he will separate out recombinants from non-recombinants by which of the following observations?

Non-recombinant colonies do not produce any colour whereas recombinants give blue coloured colonies

Recombinant colonies do not produce any colour whereas non-recombinants give blue coloured colonies

Recombinants and non-recombinants both produce blue coloured colonies

No colonies are formed due to insertional inactivation

Correct answer is (b) Recombinant colonies do not produce any colour whereas non-recombinants give blue coloured colonies

Q. If a person obtains transformants by inserting a recombinant $D N A$ within the coding sequence of enzyme $β$ -galactosidase, he will separate out recombinants from non-recombinants by which of the following observations?