🔬 Biology · Biotechnology and its Applications · NEET

Gene therapy for ADA deficiency using lymphocytes is not permanent because the cells are:

Correct answer: A. not immortal

Explanation: The infused lymphocytes are not immortal, so the treatment must be repeated.

Concept context

GM crops, transgenic animals, gene therapy, molecular diagnostics, and bioethics. Frequent 2–3 mark questions in NEET.