Mimulus lewisii and Mimulus cardinalis are two plants that occupy the same habitat but do not interbreed in nature. However, they can be readily crossed in the laboratory to produce fertile offspring. Which of the following is a likely reason that prevents interbreeding of these plants in nature?
1. They only reproduce by self-pollination.
2. They have incompatible gametes.
3. They show seasonal differences in flowering.

Question

Mimulus lewisii and Mimulus cardinalis are two plants that occupy the same habitat but do not interbreed in nature. However, they can be readily crossed in the laboratory to produce fertile offspring. Which of the following is a likely reason that prevents interbreeding of these plants in nature?
1. They only  reproduce by self-pollination.
2. They have incompatible gametes.
3. They show seasonal differences in flowering.

anonymous · Answer

I got it its, the 3rd one for anyone who was wondering.

anonymous · Answer

I was wondering:P thanks