NEET Zoology Genetic Engineering MCQ Question
What is the process by which a recombinant DNA is inserted within the coding sequence of an enzyme, leading to the inactivation of that gene?
Insertional inactivation
Gene amplification
Transcriptional activation
Cloning vector insertion
Correct Answer
Detailed Explanation
Insertional inactivation occurs when a recombinant DNA is integrated into the coding sequence of a gene, such as for the enzyme β-galactosidase, resulting in the gene's inactivation. This process is crucial for selecting recombinant organisms in genetic engineering.
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