Sample Qs

1. (a) Explain the principle involved in genetic engineering [2 marks]

· Genetic engineering is a technique of manipulating the genes in an organism by removing a gene from one organism and transferring it to another organism

(b) Discuss the importance of genetic engineering in the medical and agricultural field. [4 marks]

The importance of genetic engineering in the medical field.

· Production of insulin from bacteria.

· Gene from the pancreas that can produce insulin is removed and inserted into the DNA molecule of bacteria.

· The bacteria that can produce insulin grows very fast in a suitable nutrient medium.

· Insulin can be produced in large quantities in a short time.

Genetic engineering in agriculture.

· Produce food or plants which are genetically modified to produce high quality yield.

· Produce plants with high quality yield as they are resistant to viral attacks, pesticides or predators.