Answer: Ampicillin and tetracycline resistance genes are selected markers in the cloning vector pBR322. They perform a supporting function in the differentiation of transformed cells from non-transformed cells. They also aid in the distinction of recombinant and non-recombinant cells.
The selectable markers in the cloning vector pBR322 are ampicillin and tetracycline resistance genes. They aid in the differentiation of transformed cells from non-transformed cells. They also aid in the differentiation of recombinant and non-recombinant cells.