Question

Which of the following is used as a reporter gene?

• A. LacZ gene
  
• B. Green fluorescent protein
• C. Nif gene
• D. Both A and B

Answer 1

The correct option is D Both A and B

D. Both A and B

Solution : LacZ gene is used as reporter gene to screen for blue white colonies in lactose medium and relies on beta galactosidase enzyme. Green fluorescent protein is also used as a reporter gene in many quantitative protein expression assays.

So the correct answer is "Both A and B".