Asian Corn Borer Management
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Questions and Answers

Which genetically modified organism used Narcissus pseudonarcissus as a gene donor?

  • Golden Rice (correct)
  • Bt corn
  • FlavrSavr tomato
  • Humulin
  • What is the name of the enzyme used to cut DNA at a specific site?

  • DNA ligase
  • Restriction enzymes (correct)
  • DNA helicase
  • DNA polymerase
  • What is the first commercially grown GM crop granted with a license for human consumption?

  • Tomato (correct)
  • Rice
  • Corn
  • Eggplant
  • What is NOT a benefit of a transgenic crop?

    <p>Introduction of toxins into the body</p> Signup and view all the answers

    What is the result of modifying the FlavrSavr tomato?

    <p>Delayed ripening process</p> Signup and view all the answers

    What makes genetically modified crops different from non-genetically modified crops?

    <p>They have foreign DNA</p> Signup and view all the answers

    What is the percentage of total area planted to yellow corn that has been planted to Bt corn in the Philippines?

    <p>1%</p> Signup and view all the answers

    What is the primary focus of this module?

    <p>Applications of Biotechnology in Agriculture</p> Signup and view all the answers

    What is the main perceived risk factor by farmers in the adoption of Bt corn?

    <p>Harmful health effects on man and animals</p> Signup and view all the answers

    What is the approximate percentage increase in yield realized by Bt corn farms?

    <p>37%</p> Signup and view all the answers

    What is the expected outcome of learners at the end of this module?

    <p>To describe the characteristics of Genetically Modified (GM) crops</p> Signup and view all the answers

    What is the percentage reduction in insecticide expenditures realized by Bt corn farms?

    <p>60%</p> Signup and view all the answers

    What is the primary learning competency of this module?

    <p>To discuss the applications of Biotechnology in Agriculture</p> Signup and view all the answers

    Which of the following genetically modified organisms used Bacillus thuringiensis as a gene donor?

    <p>Bt corn</p> Signup and view all the answers

    What is the additional profit per hectare realized by Bt corn farms?

    <p>PhP10,132</p> Signup and view all the answers

    What is the impact of the Asian corn borer on corn yields in the Philippines?

    <p>Reduces unit yields by 27%</p> Signup and view all the answers

    What is the precursor of vitamin A found in Golden Rice?

    <p>Beta carotene</p> Signup and view all the answers

    What is the importance of Genetically Modified (GM) crops in Agriculture?

    <p>To improve the nutritional value of crops</p> Signup and view all the answers

    What is the primary function of stem cells in the body?

    <p>To generate cells with specialized functions</p> Signup and view all the answers

    What is the term for a form of therapy that involves inserting corrective genes into a patient's cells to cure a genetic disease?

    <p>Gene therapy</p> Signup and view all the answers

    Which type of stem cells are found in small numbers in most adult tissues, such as bone marrow?

    <p>Mesenchymal stem cells</p> Signup and view all the answers

    What is the primary benefit of Golden Rice?

    <p>It produces beta carotene</p> Signup and view all the answers

    What is the term for a form of therapy that promotes the repair response of diseased, dysfunctional or injured tissue using stem cells?

    <p>Stem cell therapy</p> Signup and view all the answers

    Which type of stem cells come from embryos that are three to five days old?

    <p>Embryonic stem cells</p> Signup and view all the answers

    What is a major goal of modifying plants, animals, and microorganisms through biotechnology in agriculture?

    <p>To increase their agricultural productivity</p> Signup and view all the answers

    What is a benefit of transgenic crops?

    <p>Improved taste, texture, or appearance of food</p> Signup and view all the answers

    What is the primary function of the toxin gene from Bacillus thuringiensis in Bt Corn?

    <p>To resist the attack of the corn borer</p> Signup and view all the answers

    What is a significant benefit of using GMO cotton?

    <p>Resistance to bollworms and pests</p> Signup and view all the answers

    What is a common application of biotechnology in agriculture?

    <p>Creation of pest-resistant plants</p> Signup and view all the answers

    What is a result of the commercialization of Bt Corn?

    <p>Increased production of corn due to its resistance to the corn borer</p> Signup and view all the answers

    Study Notes

    Applications of Biotechnology in Agriculture

    • Biotechnology in agriculture involves scientific techniques such as genetically modified organisms, Bt cotton, and pest-resistant plants to modify plants, animals, and microorganisms, improving their agricultural productivity.
    • Transgenic crops are developed by placing genes into plants to give them a beneficial trait, resulting in:
      • Improved yield from crops
      • Reduced vulnerability of crops to environmental stresses
      • Increased nutritional qualities of food crops
      • Improved taste, texture, or appearance of food
      • Reduced dependence on fertilizers, pesticides, and other agrochemicals
      • Production of vaccines

    Bt Corn and BT Cotton

    • Bt Corn was genetically modified with the insertion of toxin gene from the bacterium Bacillus thuringiensis, making it resistant to the corn borer.
    • Commercialization of Bt Corn led to an increase in production.
    • BT Cotton, which accounts for half of the cotton grown worldwide, was genetically modified to resist pests and pesticides.
    • GMO cotton provides a reliable source of cotton for the textile industry and is used to make cottonseed oil, used in packaged foods and restaurants for frying.

    Genetically Modified Organisms

    • Genetically modified organisms (GMOs) are organisms with foreign genes incorporated into their genome.
    • Examples of GMOs include Bt Corn and BT Cotton.

    Recombinant DNA Technology

    • This module is designed to help learners master the steps in Recombinant DNA Technology, which is used to create genetically modified organisms.
    • The module covers the application of biotechnology in agriculture, including the characteristics of genetically modified crops, their advantages and disadvantages, and their importance in the field of agriculture.

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    Description

    Learn about the impact of the Asian corn borer on corn yields in the Philippines and the introduction of Bt corn as a solution. Test your knowledge on the effects of this pest and the adoption of transgenic corn varieties.

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