Polyploidy · Botany

Which statement best summarizes the significance of polyploidy in plant breeding?

  1. It generally reduces crop diversity and limits future breeding value
  2. It can generate useful variation, seedlessness, and new crop forms
  3. It occurs in animal genomes but not in plant genomes
  4. It prevents breeders from selecting desirable traits
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Correct answer: It can generate useful variation, seedlessness, and new crop forms

Polyploidy is widely important in plant breeding because it can create new variation and useful traits. It has contributed to seedless fruits, ornamental improvement, and the evolution of major crops such as wheat.

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