Biotechnology Engineering (M.Phil./Ph.D.) 2019 Panjab University Entrance Exam With Answers

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9.

The marker gene Dihydrofolate reductase used for mammalian cells can be managed by which one of the following selective agents;

A: Methotrexate
B: Methionine sulfoximine
C: G-418
D: Hygromycin B

The answer is: A