Critical Reasoning (CR) | Re: Animal feed should not include genetically modified plants. A study fo

Because even if it is common, it does not explain why there was difference between the two group.
In other words why didn't the group that was fed normal food did not develop Intestinal deformities.

(A) Potatoes are not normally a part of the diet of laboratory rats.
This clearly shows that one group was fed with potatoes and other with normal food. So it might be the case the difference observed may be because of potato, not
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