Understanding Polyploidy in Genetics
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Questions and Answers

What is the process of increasing the absolute quantities of active constituents per plant through chromosome manipulation?

  • Polyploidy (correct)
  • Selection
  • Hybridization
  • Mitosis
  • What is the process of continued selection and crossing of the most desirable individuals to achieve greater improvement in specific desirable qualities?

  • Colchicine
  • Polyploidy
  • Hybridization
  • Selection (correct)
  • In the context of plant breeding, what method involves combining desirable characteristics of two different varieties or species?

  • Polyploidy
  • Hybridization (correct)
  • Mitosis
  • Selection
  • What is the term for the process of combining desirable characteristics of two different varieties or species to create a single variety with new and desirable traits?

    <p>Hybridization</p> Signup and view all the answers

    Which method of plant breeding is important in the commercial production of tobacco to increase both the quantity and nature of alkaloids produced?

    <p>Hybridization</p> Signup and view all the answers

    In plant breeding, what can increase the absolute quantities of active constituents per plant by manipulating the chromosomes?

    <p>Polyploidy</p> Signup and view all the answers

    What can be induced by treating seeds with heat or specific chemical agents like colchicine in order to increase the absolute quantities of active constituents per plant?

    <p>Polyploidy</p> Signup and view all the answers

    Which method of plant breeding involves continued selection and crossing of the most desirable individuals to achieve greater improvement in specific desirable qualities?

    <p>Selection</p> Signup and view all the answers

    What process involves chromosomes undergoing mitosis, resulting in four sets of chromosomes remaining in one cell, resulting in a tetraploid plant?

    <p>Polyploidy</p> Signup and view all the answers

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