Chegg Guided Solutions for Concepts of Biology 2nd Edition: Chapter 14

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    Hybrids typically are infertile when they reach sexual maturity. The inability to reproduce eliminates the potential to generate new generations that may continue to occupy niches. In the rare event that the hybrids themselves are not sterile, they typically have infertile offspring (F2). Again, this would inhibit the development of any new populations of the hybrid. Finally, the rarity of the production of fertile hybrids would be insufficient to develop a population of the organisms with enough genetic variety. If they survived, the population would have a limited gene pool that most likely would not provide the adaptive potential required of a species to survive over many generations.

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