Genetics and Genetic Engineering A Gen 114: Microscope Examination
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Questions and Answers

What is the recommended method to prepare a slide for observing mitosis under a microscope?

  • Use both the fine and coarse focus knobs with the 10X lens
  • Use only the fine focus knob with the 10X and 40X lens (correct)
  • Use only the coarse focus knob with the 4X lens
  • Use only the fine focus knob with the 100X oil immersion lens
  • Which lens should be used in combination with the fine focus knob when preparing a slide for observing mitosis?

  • 50X
  • 100X
  • 20X
  • 10X (correct)
  • What is the purpose of using the fine focus knob when preparing a slide for genetic engineering observation under the microscope?

  • To adjust the height of the stage
  • To change the magnification level
  • To change the objective lens
  • To focus the image precisely (correct)
  • Why is it important to follow the recommendation of using only the fine focus knob with the 10X and 40X lens when preparing a slide for observation?

    <p>It ensures clear visualization of cellular structures</p> Signup and view all the answers

    Which combination of lens and focus knob should be avoided when preparing a slide for observing mitosis?

    <p>100X lens with coarse focus knob</p> Signup and view all the answers

    What is the recommended method for preparing a slide to observe mitosis under a microscope?

    <p>Use only the fine focus knob with the 10X and 40X lens</p> Signup and view all the answers

    During which phase of mitosis do the chromosomes align at the center of the cell?

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

    What is the term for the process that involves the exchange of genetic material between homologous chromosomes during meiosis?

    <p>Chromosomal crossover</p> Signup and view all the answers

    Which of the following should be avoided when preparing a slide for observing mitosis under a microscope?

    <p>Using only the coarse focus knob with any lens</p> Signup and view all the answers

    Which phase of meiosis involves the separation of homologous chromosomes?

    <p><strong>Anaphase</strong></p> Signup and view all the answers

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