Question

How many types of reporter gene constructs are there?

(a) 1

(b) 2

(c) 3

(d) 4

The question was asked during an internship interview.

The origin of the question is Gene Function and Gene Trapping topic in section Use of Cloned DNA of Genetic Engineering

Answer 1

Correct choice is (b) 2

Explanation: There are mainly two constructs for the reporter gene. In the first construct, reporter gene completely replaces the target gene. In the second construct, there is a fusion between the target gene and the reporter gene.