Genetic Engineering Fundamentals
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Questions and Answers

What is the primary technique used in genetic engineering?

  • Recombinant DNA (rDNA) technology (correct)
  • Transgenic animal production
  • Classical breeding
  • Traditional mutation

What is the outcome of introducing foreign genes to an organism through genetic engineering?

  • The organism produces the same proteins as before
  • The organism remains unchanged
  • The organism expresses traits that it normally would not (correct)
  • The organism becomes extinct

What is a limitation of traditional breeding methods that genetic engineering can overcome?

  • Acquiring desirable traits through mutation
  • Producing proteins that are harmful to humans
  • Acquiring certain desirable traits that may not be easily acquired (correct)
  • Creating transgenic animals

Who created the first transgenic animal in 1974?

<p>Rudolf Jaenisch (B)</p> Signup and view all the answers

In what year was somatostatin, a human protein, produced through genetically modified E.coli?

<p>1977 (C)</p> Signup and view all the answers

What is the primary reason for introducing the Bt toxin gene from Bacillus thuringiensis into corn?

<p>To make it resistant to corn borers (C)</p> Signup and view all the answers

What is the role of restriction enzymes in genetic engineering?

<p>To isolate the gene of interest (A)</p> Signup and view all the answers

What is the correct sequence of steps in genetic engineering of Bt corn?

<p>Obtain and culture Bacillus thuringiensis cells, isolate the genetic material, treat with restriction enzymes, and introduce into the host organism (B)</p> Signup and view all the answers

What is the primary function of a probe in genetic engineering?

<p>To locate the gene of interest (C)</p> Signup and view all the answers

What is the name of the bacterium that is used to create genetically modified organisms?

<p>E. coli (D)</p> Signup and view all the answers

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