UPSC CSE Prelims
Question 56
Which of the following statements with regard to genetic medicine is/are correct?
- Genetic medicines correct/compensate for the faulty genes responsible for disease.
- Engineered viruses and lipid nanoparticles are used as carriers of the genetic medicine.
- Genetic medicines alter the entire DNA sequence.
Select the answer using the code given below:
View correct answer and explanation
Correct answer: C
Correct Option: C
Explanation: Genetic medicines aim to treat disease by changing or supplementing specific genetic instructions, using delivery systems such as viral vectors or lipid nanoparticles.
Statement-wise Analysis:
Statement 1: Correct - Gene therapy and RNA-based medicines can compensate for or target disease-causing genetic defects.
Statement 2: Correct - Engineered viral vectors and lipid nanoparticles can transport therapeutic genetic material.
Statement 3: Incorrect - They do not normally rewrite the entire genome; effects target selected genes, cells or transcripts.
Option-wise Analysis:
A: Incorrect - Omits supported item(s) 2.
B: Incorrect - Includes unsupported item(s) 3 and omits supported item(s) 1.
C: Correct - This option includes the supported item(s) and excludes the unsupported ones.
D: Incorrect - Includes unsupported item(s) 3.