Date | May 2017 | Marks available | 4 | Reference code | 17M.3.SL.TZ1.12 |
Level | Standard level | Paper | Paper 3 | Time zone | Time zone 1 |
Command term | Discuss | Question number | 12 | Adapted from | N/A |
Question
Discuss the environmental risks of the cultivation of genetically modified crops.
Markscheme
a. antibiotic resistance «from marker genes» in the crops could be transferred to bacteria
b. but this has never been demonstrated
c. the precautionary principle should be applied
d. genetically modified crops could hybridise with wild plants/other crops
e. escape «of GM crop» could lead to outcompeting endemic species/wild plants / becoming invasive/superweed
f. herbicide resistance could develop in wild plants
OR
pesticide resistance could develop in pests
g. modifications can affect pollinating insects
h. example of genetically modified crop
eg Amflora potato / Bt maize