Question

The antibiotic resistance gene can be used as ________ marker for selecting transformants.

• A. selectable
• B. differential
• C. similar
• D. radioactive

Answer 1

Answer:

A. selectable

• The antibiotic resistance gene can be used as a selectable marker for selecting transformants.

• This gene confers the trait for artificial selection and may code for resistance to any antibiotic such as ampicillin, penicillin, kanamycin, tetracycline, etc.

• The successful transformants will grow on antibiotic-containing media.