An example of gene therapy is

Biology Biotechnology Principles and Processes All Topic Question For Revision Test Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Production of injectable Hepatitis–B vaccine

Production of vaccines in food crops like potatoes which can be eaten

Introduction of gene for adenosine deaminase in persons suffering from severe combined immuno-deficiency (SCID)

Production of test tube babies by artificial insemination and implantation of fertilized eggs

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Gene therapy involves replacing or introducing a functional gene to correct a genetic disorder. In SCID (caused by ADA deficiency), a normal ADA gene is introduced into the patient’s cells to restore enzyme function.

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