GENE TECHNOLOGY QUESTIONS

1. The human gene for alpha-1-antitrypsin was introduced into fertilised eggs of sheep and the eggs implanted into surrogate mothers. Some surrogates produced transgenic female animals which secrete AAT in their milk
a State how the gene for AAT could have been inserted into the egg cells of sheep
 

 

(1)
b Give a human disease is AAT used to treat?
 

 

(1)
c Explain why bacteria could not be used to produce the human protein AAT
 

 

 

(2)
d Explain what is meant by transgenic animals
 

 

 

 

(2)