Questions about Canola Oil and Genetically modified produts. Here is some info that will give you more information.

You can tell if some thing is GMO in the store because of the labeling.
GMO produce has a 5 digit code and starts with an 8 (84012), organic produce is also 5 digit and starts with a 9 (94012), conventional farmed produce has a 4 digit code and starts with a 4 (4012)

if you have further interest in learning more about GMO please follow the link below.
Sowing Seeds of Starvation: Monsanto Hype in Growing Food Crisis, be sure to watch the video The Future of Food at the end of the article.