Which headline would be an example of genetic engineering? a. mrs o'hara gives birth to fourth redhead b. farmer brown's pigs; best quality ham for the money. c. gene added to liver improves clotting time d. bacteria makes human insulin

The answer is D. Bacteria makes Human insulin. This is so because the body has its own genetic insulin.  Genetic engineering can be used to create organisms that produce large amounts of useful substances - an example would be that bacteria can be engineered to produce human insulin.