Question

Animals that had their DNA manipulated to possess and express foreign DNA are called transgenic animals. Write briefly any three benefits of such transgenic animals to human beings

Answer 1

(a) Transgenic mice are used to test the safety of the polio vaccine.

(b) Transgenic cow, Rosie, produced human protein enriched milk (2.4 grams per litre).The milk contained the human alphalactalbumin It is the balanced product for human babies than natural cow- milk.

(c) Transgenic animals that carry genes which make them more sensitive to toxic substances than non- transgenic animals. Toxicity testing in such animals get results in less time.