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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?

Rudolf Jaenisch Signup and view all the answers

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

1977 Signup and view all the answers

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

To make it resistant to corn borers Signup and view all the answers

What is the role of restriction enzymes in genetic engineering?

To isolate the gene of interest Signup and view all the answers

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

Obtain and culture Bacillus thuringiensis cells, isolate the genetic material, treat with restriction enzymes, and introduce into the host organism Signup and view all the answers

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

To locate the gene of interest Signup and view all the answers

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

E. coli Signup and view all the answers