<span>The option which is not a potential concern associated with the use of biotechnology is the production yields of GM foods, whereas the other options are quite dangerous when you think about them. Genetic ownership means that somebody could steal your genes and use them for cloning, which is another option here. Trainsgenic foods also have to be kept safe, so as to stop someone from messing with them. The production yields of GM foods is not the problem, the problem is whether that food is healthy or not.</span>
The type of information you are looking for is called confirmation/confirmatory biased information. (If I am misunderstanding the question, please correct me) Scientists sometimes skew the results or lie about the results in order to support their own personal beliefs or goals.
Explanation:
The vitamin C loss in Irish and sweet potatoes could be due to the effect of heating as well as leaching into the boiling water.
The answer is B
Hope this helps