Why Is Speciation by Polyploidy More Likely in Plants Than

question 18

Multiple Choice

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

• A)Plant gametes can be produced from somatic cells that have undergone many rounds of mitosis.
• B)Plant gametes lack postzygotic isolating mechanisms.
• C)Plants lack the DNA repair enzymes that animals have.
• D)Plants are sessile and cannot speciate via dispersal.

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An agency of the United Nations that leads international efforts to defeat hunger and improve nutrition and food security.

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