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An antibiotic resistance gene in a vecto...

An antibiotic resistance gene in a vector usually helps in the selection of :

A

Competent cells

B

transformed cells

C

Recombinant cells

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Selectable markers help in identifying and eliminating non-transformants and selectively permitting the growth of the transformants. The normal E.coli cells do not carry resistance against any of these antibiotics. Competent bacterial cells are made capable to take foreign DNA with chemical treatment, e.g., calcium chloride.
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