Why Is Speciation by Polyploidy More Likely in Plants Than

question 41

Multiple Choice

Why is speciation by polyploidy more likely in plants than in animals?

• A) Plant gametes can be produced by meiosis from somatic cells that have undergone many rounds of mitosis.
• B) Plant gametes lack postzygotic isolating mechanisms.
• C) Plants are sessile and, therefore, are never prezygotically isolated to ensure reproduction.
• D) Plants are sessile and cannot speciate via dispersal.
• E) Plants lack the DNA repair enzymes that animals have.

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