Genetic engineering has been successfully used for producing
A. transgenic mice for testing safety of polio vaccine before use in humans
B. transgenic models for studying new treatments for certain cardiac diseases
C. transgenic cow-Rosie, which produces high-fat milk for making ghee
D. animals like bulls for farm work as they have superpower
Answer:A
Genetic engineering has been successfully used for producing
A. transgenic mice for testing safety of polio vaccine before use in humans B. transgenic models for studying new treatments for certain cardiac diseases C. transgenic cow-Rosie, which produces high-fat milk for making ghee D. animals like bulls for farm work as they have superpower