Animals that have their DNA manipulated and express foreign gene are c

1.	Animals that have their DNA manipulated and express foreign gene are called transgenic animals. Write down the three significance of transgenic animals used as models.
Answer» 1. Normal physiology and development: To study of how genes are regulated, and how they affect the normal functions of the body and its development. 2. Study of disease: How genes contribute to the development of disease. 3. Chemical and vaccine safety testing: Transgenic animals carry genes that sensitive to toxic substances and the effects can be studied.

Animals that have their DNA manipulated and express foreign gene are called transgenic animals. Write down the three significance of transgenic animals used as models.

Answer»

1. Normal physiology and development:

To study of how genes are regulated, and how they affect the normal functions of the body and its development.

2. Study of disease:

How genes contribute to the development of disease.

3. Chemical and vaccine safety testing:

Transgenic animals carry genes that sensitive to toxic substances and the effects can be studied.