Question

Transgenic animals are being produced for various purposes. Select the option which includes all the correct reasons with reference to above mentioned statement.

(a) Transgenic animals allow the study of how genes are regulated
(b) For investigation of new treatments for diseases
(c) For production of biological products
(d) For vaccine safety testing

• A. (a) and (b) only
• B. (c) and (d) only
• C. (b) and (c) only
• D. (a), (b), (c) and (d)

Answer 1

The correct option is D (a), (b), (c) and (d)

Transgenic models exist for many human diseases.
Many biological products are produced by genetic engineering e.g., $\alpha -1$-antitrypsin.
Transgenic mice is used for testing safety of polio vaccine.