A researcher notices that in a certain moth species, some females prefer to feed

Question

A researcher notices that in a certain moth species, some females prefer to feed and lay eggs on domesticated solanaceous plants like potatoes and tomatoes. Other females prefer to feed and lay eggs on wild solanaceous plants like Datura. Both male and female moths primarily use scent to find these plants from afar. Females tend to mate where they feed, and the researcher finds a genetic basis for scent preference in these moths. Based on the above information, what might be occurring in this moth species?...........1. There is not enough information to decide what is happening. 2. divergence in sympatry. 3. polyploidization. 4. postzygotic isolation. 5. divergence due to vicariance

Explanation / Answer

2. divergence in sympatry.

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