A hybrid zone that has formed recently A) will likely have mainly F₁ hybrids. B) will be broad. C) will impose weak selection. D) is usually maintained by prezygotic reproductive isolation. E) is usually maintained by postzygotic reproductive isolation

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Quizplus · Accepted Answer

A recently formed hybrid zone will likely have mainly F1 hybrids because the populations have only recently come into contact, and there has not been enough time for further generations or backcrossing to occur.

A Hybrid Zone That Has Formed Recently