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Loss of gene function caused by a DNA insert inside it is:
AInsertional inactivation
BSelectable marking
CPalindromic cutting
DDownstream processing
Answer & Solution
Correct answer: A. Insertional inactivation
1. The insert lands in the middle of a coding sequence.
2. The reading of that gene is broken.
3. This is termed insertional inactivation.
_Source: NCERT Class 12 Biology, Ch 9 'Biotechnology : Principles and Processes'_
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