Biology 9700 · AS & A Level · Genetically modified organisms in agriculture
Genetically modified organisms in agriculture — practice question
In 1973, a genetic engineering technique was used for the first time. Recombinant DNA was produced with a plasmid and then successfully moved into an organism. In 2012, a newer genetic engineering method, known as gene editing, was developed.
(a)[5]
Table 4.1 shows several statements about the two genetic engineering techniques. Complete Table 4.1 by comparing the earlier genetic engineering method that uses a plasmid vector with the newer method of gene editing. For each row, place a tick (✓) in the appropriate column if the statement applies, and leave the space blank if it does not.
(b(i))[1]
Identify the letter in Fig. 4.1 that shows the wild type cassava plant.
(b(ii))[3]
Explain the social benefit of this example of gene editing.
Worked solution & mark scheme
This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “both techniques may lead to production of a different protein” …