1. | mice | 2. | cow |
3. | pig | 4. | fish |
Genetic engineering has been successfully used for producing:
1. | transgenic mice for testing the safety of polio vaccine before use in humans |
2. | transgenic models for studying new treatments for certain cardiac disease |
3. | transgenic Cow-Rosie which produces high-fat milk for making ghee |
4. | Animals like bulls for farm work as they have super power |