Explain how is a bacterial cell made 'competent' to take up recombinant DNA from the medium.
Explain the steps of amplification of gene of interest using PCR technique.
What are transgenic animals ?
Why are these animals being produced ? Explain any four reasons.
Student to attempt either option (A) or (B).
The most widely used transgenic animal for testing the safety of vaccine before they are used in humans is :
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