Question

Which of the following is not true regarding the transgenic animals?

• A. Transgenic mice are being developed for use in testing the safety of vaccines before they are used on humans.
• B. They are used to study complex factors involved in growth such as insulin-like growth factor.
• C. Protein alpha-1 antitrypsin is used for replacement therapy for individuals at risk from emphysema.
• D. In 1997, the first transgenic cow, Rosie, produced human protein beta lactalbumin enriched milk.

Answer 1

Answer: (D)

In 1997, the first transgenic cow, Rosie, produced human protein-enriched milk (2.4 grams per litre). The milk contained the human alpha-lactalbumin and was nutritionally a more balanced product for human babies than natural cow-milk.