Which of the following is/are the basic step(s) in genetically modifying an organism? 1. Identification of DNA with desirable genes 2. Introduction of the identified DNA into the host 3. Maintenance of introduced DNA in the host and transfer of the DNA to its progeny Select… | UPSC CAPF 2026 Q No 92

Accepted Answer: (B) 1, 2 and 3

Topic Covered: Biology and Environmental Science

Key Concept: Ecology, genetics, biotechnology and life processes

The correct choice follows from the standard scientific definition or process involved. “1, 2 and 3” matches the relevant biological, ecological, chemical or energy concept, while the alternatives conflict with the core principle.

The key is to apply the central fact, formula, definition or relationship tested in the question and then eliminate alternatives that do not satisfy it.