Civil Services Prep

Prelims 2026 · Science and Technology · Question 41

Which of the following statements with regard to genetic medicine is/are correct ?

  1. Genetic medicines correct/compensate for the faulty genes responsible for disease.
  2. Engineered viruses and lipid nanoparticles are used as carriers of the genetic medicine.
  3. Genetic medicines alter the entire DNA sequence.

Select the answer using the code given below :

  1. 1 only
  2. 2 and 3 only
  3. 1 and 2 only
  4. 1, 2 and 3

Answer

1 and 2 only

1 is correct because genetic medicines/gene therapy aim to replace, inactivate, repair, or otherwise compensate for faulty genes causing disease. 2 is also correct because delivery can use engineered viral vectors and non-viral carriers such as nanoparticles, including lipid nanoparticles. 3 is incorrect because these therapies target specific genes, gene expression, or selected DNA sequences; they do not alter the entire DNA sequence.

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