1. Transgenic animal can be specifically designed to allow the study of the mechanism of gene expression, its regulation & how they effect the normal function & development.
2. It is also used to study the biological effects of certain gene product & also the biological role of these products in the body.
3. Transgenic animals serve as models for human disease. So that investigation of new treatment for disease is made possible.
Example : Alzheimer’s, cancer, Cystic, fibrosis, etc.
4. Transgenic animal are used produce medicine it is used to treat diseases like Emphysema. The transgenic cow rosie produced human protein enriched milk (alpha- lactalbumin).
5. They are also used for testing the safety of vaccines like polio. It is also used for testing toxicity of drugs.
