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Transgenic animals are those animals whose DNA is manipulated and has an extra or foreign gene to possess and express.

1. How can transgenic animals help in testing for vaccine safety.

2. Name the enzyme produced by transgenic animal which is used against emphysema.

3. For which diseases transgenic models exist?

4. Name the first transgenic cow. Write its significance.

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1. Transgenic animals like mice are developed for testing of vaccine before they are used on humans.

2. An enzyme a-1-anti trypsin can be obtained from a transgenic animal which is used against emphysema.

3. Transgenic model exist for cancer, cystic fibrosis, Alzheimer’s diseases, etc.

4. Rosie is the first transgenic cow, was produced human protein enriched milk. The milk contains alpha lactalbumin in the amount of 2.4 gram per litre and is more nutritionally balanced for

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