Biology Biotechnology and Its Application All Topic Question For Revision Test Single Correct MCQ
Published on: August 12, 2026

An example of gene therapy is –

A
Production of injectable hepatitis B vaccine
B
Production of vaccines in food crops like potatoes which can be eaten
C
Introduction of gene for adenosine deaminase in persons suffering from Severe Combined Immuno Deficiency (SCID)
D
Production of test tube babies by artificial insemination and implanatation of fertilized eggs

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The correct answer is:
C

Gene therapy involves introducing a functional gene into a patient to correct a genetic disorder. The classic example is the introduction of the ADA gene in patients suffering from SCID (Severe Combined Immunodeficiency Disease) due to ADA deficiency.

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