18 Questions
What is the primary purpose of using a vector in genetic engineering?
To provide a container for the gene of interest
Which of the following is an example of a microbial vector used in genetic engineering?
Bacteriophage
What is the purpose of using restriction enzymes in genetic engineering?
To cut the DNA into fragments
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
Which of the following is an example of a genetically modified animal?
Glowing fish
What is the primary benefit of using Bt crops in agriculture?
Enhanced resistance to pests
What is the main trait modified in the Flavr Savr tomato?
Increased shelf life
What is the mechanism by which the Flavr Savr tomato's ripening is delayed?
Inhibition of the enzyme polygalacturonase
Which of the following is a use of genetically modified organisms (GMOs)?
Providing a large source of DNA
What is the purpose of the genetic modification in the AquAdvantage Salmon?
To make the salmon grow more quickly
Which of the following Bt crops has been genetically modified?
Both Bt cotton and Bt eggplant
How can microbes be used to produce proteins of interest?
All of the above
What was the first genetically modified organism licensed for human consumption?
The Flavr-Savr tomato
Which of the following is an example of a nontransgenic molecular method of manipulation?
Grafting
What is the purpose of using transposons in genetic engineering?
To move DNA sequences from one location to another in the genome
Which of the following is a key feature of Bt crops?
They produce a bacterial toxin that kills certain insects
What is the primary purpose of using genetic modifications in animals?
To create organisms that can produce medically important proteins
Which of the following is a key benefit of using genetically modified organisms (GMOs)?
All of the above
This quiz covers topics such as genetic modification in tomatoes to delay ripening using antisense RNA, and the use of Bt crops like Bt cotton and Bt eggplant. Learn about genetic engineering and its applications in agriculture.
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