Question

Which of the following are considered as useful selectable markers for E.coli ?
a. Ampicillin resistance gene
b. Chloramphenicol resistance gene
c. Tetrachcline resistance gene
d. Kanamycin resistance gene
A. a only
B. a and b
C. a, b and c
D. a, b, c and d

Answer 1

Correct Answer - D
Ampicillin resistance gene, chloramphenicol resistance gene, tetracycline resistance gene and kanamycin resistance gene are considered as useful selectable markers for E.coli