Question
Question: Which of the following is not true about pBR 322 vector?...
Which of the following is not true about pBR 322 vector?
A
It was constructed by using DNA derived from naturally occuring plasmids of Ecoli
B
It has two drug resistance genes, tetR and ampR
C
It was developed by Bolivar and Rodriguez
D
Selectable markers present in it can differentiate
recombinants from non-recombinants on the basis of their inability to produce colour in the presence of chromogenic substrate
Answer
Selectable markers present in it can differentiate
recombinants from non-recombinants on the basis of their inability to produce colour in the presence of chromogenic substrate