Biotechnology and Genetics Quiz
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Questions and Answers

What makes dogs a better choice for the study of heart disease and lung disorders?

  • Their large population in urban areas
  • Their ability to learn tricks quickly
  • Their similarity to humans in terms of lung and cardiovascular systems (correct)
  • Their ability to mimic human emotions
  • What is the percentage of human breast tumors that have the BRCA1 gene similar to the one found in dogs?

  • 65% (correct)
  • 70%
  • 90%
  • 80%
  • What is required for cloning?

  • A surrogate mother from a different species
  • DNA from a deceased organism
  • Frozen cells only
  • A donor cell from a living organism (correct)
  • What was Dolly the result of?

    <p>277 attempts at cloning</p> Signup and view all the answers

    What is a common defect found in animal clones?

    <p>All of the above</p> Signup and view all the answers

    Why is cloning important for endangered animals?

    <p>To sustain breeding populations</p> Signup and view all the answers

    What can clones provide a unique window on?

    <p>Cellular and molecular secrets of development, aging, and diseases</p> Signup and view all the answers

    What method introduces the transgene DNA at the earliest possible stage of development of the zygote?

    <p>Pronuclear Microinjection method</p> Signup and view all the answers

    What is Retrovirus-mediated transgenics used for?

    <p>To introduce DNA into mouse embryos</p> Signup and view all the answers

    What is used in Sperm-Mediated Transfer?

    <p>Linker proteins</p> Signup and view all the answers

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