Question

Which of the following is needed for gene transformation and its screening in animals?

• A. Foreign DNA
• B. Plasmid
• C. Selectable marker
• D. All of the above

Answer 1

The correct option is D All of the above

D. All of the above

Solution : Foreign DNA is needed for gene transformation that is to be inserted into the cell. Plasmid is used as a vector with which the DNA insert is attached and introduced into the host. The selectable marker is used as a marker to see if the inserted gene is expressed or not.

So the correct answer is "All of the above".