Question

Which of the following statements regarding gene therapy is correct?

• A. It is used only in plants
• B. It involves replacement or correction of defective genes
• C. It destroys all genes inside the body
• D. It is a method of protein digestion

Hint:

Remember: \[ \text{Gene therapy} \rightarrow \text{Treats genetic disorders} \] It works by introducing functional genes into cells.

Answer 1

The Correct Option is B

Concept: Gene therapy is a modern biotechnological technique used to treat genetic disorders.

Step 1: Understand gene therapy. Gene therapy aims to:

• Replace defective genes
• Correct abnormal genes
• Introduce functional genes

Step 2: Eliminate incorrect options.

• It is not limited to plants
• It does not destroy all genes
• It is unrelated to protein digestion

Therefore, the correct answer is: \[ \boxed{\text{Replacement or correction of defective genes}} \]