Botanist: In an experiment, scientists raised domesticated radishes in ... ...

Botanist: In an experiment, scientists raised domesticated radishes in a field with wild radishes, which are considered weeds. Within several generations, the wild radishes began to show the same flower color as the domesticated ones. This suggests that resistance to pesticides, which is often a genetically engineered trait, would also be passed from domesticated crop plants to their relatives that are considered weeds. Which one of the following, if true, most strengthens the botanist’s argument?
(A) It is much easier in principle for genetic traits to be passed from wild plants to their domesticated relatives than it is for such traits to be passed from the domesticated plant to the wild relative.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in June 2013 LSAT (PT69): Logical Reasoning B