ZoologyWhich of the following is not the application of transgenic animals?

Which of the following is not the application of transgenic animals?

A
Developing animals specially created for use in xenografting
B
Molecular diagnosis of pathogens such as detecting presence of antigens, their proteins or glycoproteins, etc.
C
To test genetically engineered hormones to increase milk yield, meat production, etc.
D
To test pharmaceutical proteins, drugs production etc.

Detection of antigens is done by using molecular diagnostic techniques like ELISA. It is not an application of transgenic animals.