Transgenic animals are animals that have...

Transgenic animals are animals that have had their DNA manipulated to possess and express an extra gene. Comment on some of the areas where these transformed organisms are used.

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a. To study the normal physiology and development: Transgenic animals can be specifically designed to allow the study of how genes are regulated and how they affect the normal functions of the body and its development.
b. Production of useful products: Transgenic animals that produce useful biological products can be created by the production of the portion of DNA which codes for a particular product.
c. Testing the safety of vaccines: Some transgenic organisms (mice) are being developed for use in testing the safety of vaccines before they are used by humans.

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