Biology 9700 · AS & A Level · Genetically modified organisms in agriculture
Genetically modified organisms in agriculture — practice question
LibertyLink® soybean is a genetically modified crop that was first cultivated in 1996 and included in food products from 1998. It has been cultivated in 6 countries and used in food products in 21 countries. Table 8.1 outlines the alterations made to the soybean plant to create LibertyLink® soybean.
(a)[4]
Explain how the modification made to produce LibertyLink® soybean may help to solve the worldwide demand for food.
(b(i))[1]
Name the type of enzyme that could be used to remove the pat gene from S. viridochromogenes.
(b(ii))[1]
Name the enzyme that could be used to attach the pat gene to a plasmid by making phosphodiester bonds.
(c)[3]
Suggest reasons why LibertyLink® soybean is included in food products in 21 countries but cultivated in only 6 countries.
Worked solution & mark scheme
This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Liberty Link soybean is not damaged by / resistant to herbicide / glufosinate” …