In the construction of a transgenic cell, a gene that enables growth on arabinose is added to the vector.This gene is being used as a(n)
A) transformation agent.
B) selectable marker.
C) replicon.
D) cloning vector.
E) expression vector.

Question

Quizplus · Accepted Answer

A selectable marker is a gene that confers a phenotype that allows selection of cells that have successfully incorporated a vector during transformation. In this case, the gene for growth on arabinose serves as the selectable marker.

In the Construction of a Transgenic Cell, a Gene That