Essential Biochemistry - Genetic Engineering (Section 2 - No. 9)
What is the role of a selectable marker in a cloning vector?
To promote the expression of the gene of interest.
To allow for the identification of cells that have taken up the vector.
To help with the cutting of DNA.
To protect the vector from degradation.
Shpjegimi
Selectable markers help to identify cells that have successfully incorporated the cloning vector.