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Which of the following is NOT a step in genetically modifying an organism as per NCERT?
A{'text': 'Identification of DNA with desirable genes', 'label': 'A'}
B{'text': 'Introduction of identified DNA into the host', 'label': 'B'}
C{'text': 'Immediate observation of protein product in the wild-type', 'label': 'C'}
D{'text': 'Maintenance and transfer to progeny of the introduced DNA', 'label': 'D'}
Answer & Solution
Correct answer: C. {'text': 'Immediate observation of protein product in the wild-type', 'label': 'C'}
1. NCERT lists three basic steps for genetic modification of an organism.
2. Identification of DNA with desirable genes.
3. Introduction of the identified DNA into the host organism.
4. Maintenance of the introduced DNA in the host and transfer of that DNA to its progeny. Observing protein in the wild-type is not on the list.
_Source: NCERT Class 12 Biology, Ch 9 "Biotechnology: Principles and Processes", §9.1_
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