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Genetic Modification in Tomato and Bt Crops Quiz

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Genetic Modification in Tomato and Bt Crops Quiz

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Questions and Answers

What is the primary purpose of using a vector in genetic engineering?

To act as a catalyst for the genetic modification process

To control the expression of the inserted gene

To directly insert the gene into the host genome

To provide a container for the gene of interest (correct)

Which of the following is an example of a microbial vector used in genetic engineering?

Tomato

Bacteriophage (correct)

Sheep

Restriction enzyme

What is the purpose of using restriction enzymes in genetic engineering?

To ligate the DNA fragments together

To cut the DNA into fragments (correct)

To insert the gene into the host genome

To amplify the gene of interest

The Flavr Savr tomato was an early example of a genetically modified organism (GMO). What was the primary purpose of the genetic modification in this case?

To increase the shelf-life of the tomato Signup and view all the answers

Which of the following is an example of a genetically modified animal?

Glowing fish Signup and view all the answers

What is the primary benefit of using Bt crops in agriculture?

Enhanced resistance to pests Signup and view all the answers

What is the main trait modified in the Flavr Savr tomato?

Increased shelf life Signup and view all the answers

What is the mechanism by which the Flavr Savr tomato's ripening is delayed?

Inhibition of the enzyme polygalacturonase Signup and view all the answers

Which of the following is a use of genetically modified organisms (GMOs)?

Providing a large source of DNA Signup and view all the answers

What is the purpose of the genetic modification in the AquAdvantage Salmon?

To make the salmon grow more quickly Signup and view all the answers

Which of the following Bt crops has been genetically modified?

Both Bt cotton and Bt eggplant Signup and view all the answers

How can microbes be used to produce proteins of interest?

All of the above Signup and view all the answers

What was the first genetically modified organism licensed for human consumption?

The Flavr-Savr tomato Signup and view all the answers

Which of the following is an example of a nontransgenic molecular method of manipulation?

Grafting Signup and view all the answers

What is the purpose of using transposons in genetic engineering?

To move DNA sequences from one location to another in the genome Signup and view all the answers

Which of the following is a key feature of Bt crops?

They produce a bacterial toxin that kills certain insects Signup and view all the answers

What is the primary purpose of using genetic modifications in animals?

To create organisms that can produce medically important proteins Signup and view all the answers

Which of the following is a key benefit of using genetically modified organisms (GMOs)?