Question 1

Explain how genetic engineering introduces new traits into plants and compare and contrast traditional breeding methods with those of modern biotechnology.

Accepted Answer

Genetic engineering takes the genes for ...

Question 2

How are antibiotic resistance genes used in biotechnology?

Accepted Answer

A)  as allergens.
B)  as plasmids.
C)  as marker genes.
D)  as toxins.E) All of the above
F) A) and D)

Question 3

How is genetic engineering being used to make farming more productive?

Accepted Answer

Numerous products have been improved to ...

Question 4

How is genetic engineering being used to make foods more nutritious?

Accepted Answer

Genetic engineering has been a...

Question 5

Your mother was horrified to learn that the vast majority of processed foods in Canada contain GM ingredients.What can you tell her to allay her fears of a negative health impact from these foods? If she is still concerned,how can you advise her to avoid them?

Accepted Answer

Since the labelling of GM foods requires...

Question 6

What are the potential health risks of genetically modified (GM)foods?

Accepted Answer

It is possible that some of th...

Question 7

How many different bases occur in the DNA molecule?

Accepted Answer

A)  20
B)  10
C)  6
D)  4E) B) and C)
F) A) and C) D

Question 8

Genetic modification improves crop yields by doing all of the following EXCEPT one.Which one?

Accepted Answer

A)  allowing more seeds to be planted.
B)  creating plants that are resistant to herbicides.
C)  creating plants that can withstand drought.
D)  developing plants that use sunlight more efficiently.E) None of the above
F) A) and B) A

Question 9

Which statement best describes the advantages of biotechnology over traditional plant breeding?

Accepted Answer

A)  It is time-consuming.
B)  New traits come from related-plant species.
C)  It allows for single gene transfers.
D)  Both (b) and (c) .E) A) and C)
F) A) and B)

Question 10

Which of the following statements does NOT describe a similarity between selective plant breeding and genetic modification?

Accepted Answer

A)  both are intended to improve traits.
B)  both may result in food that is more nutritious.
C)  both are limited to whether two organisms are capable of cross-breeding.
D)  both may result in plants that can resist disease.E) A) and D)
F) All of the above

Question 11

Which of the following statements is TRUE?

Accepted Answer

A)  The genes of different species are completely different,which is why the species are different.
B)  Humans share only a few genes with extremely similar organisms,but share none with dissimilar organisms.
C)  Humans actually share some genes with plants.
D)  Most human genes have equivalents in plants.E) A) and D)
F) A) and B)

Question 12

Which statement about the genetic modification of plants to provide insect resistance is FALSE?

Accepted Answer

A)  Inserting the Bt gene into plants allows them to make their own insecticide.
B)  The Bt gene product is toxic to humans and must be handled carefully.
C)  Bt plants benefit the environment because the Bt affects only insects feeding on the crop of interest and not the surrounding foliage.
D)  The protein from Bt has been used as an insecticide for several decades.E) A) and B)
F) None of the above

Question 13

Bacteria have been genetically modified to make compounds used in food processing.What are these compounds?

Accepted Answer

A)  enzymes
B)  additives
C)  carbohydrates
D)  conditionersE) C) and D)
F) A) and B)

Question 14

Which of the following about genetically modified food product labels is FALSE?

Accepted Answer

A)  Labelling increases cost of products at many levels.
B)  The Canadian Food Inspection Agency does not require declarations regarding genetic modifications.
C)  Food labelling regulations require processors to indicate if they are using plants modified by traditional plant breeding.
D)  Labelling decisions are based on whether there are differences between the new food and the traditional food.E) All of the above
F) B) and C) C

Question 15

How many bases of DNA are needed to code for a single amino acid?

Accepted Answer

A)  2
B)  3
C)  4
D)  20E) B) and C)
F) A) and C)

Question 16

Which of the following statements regarding aquaculture is FALSE?

Accepted Answer

A)  Changes in the practice have included reducing the contact between farmed and wild fish.
B)  It is the controlled cultivation and harvest of aquatic plants or animals.
C)  There is hope that aquaculture will help reduce the world's dependence on wild stocks of fish.
D)  Today,most of the salmon consumed is wild.E) C) and D)
F) A) and D)

Question 17

"A set of techniques used to manipulate DNA for the purpose of changing the characteristics of an organism." What is being described?

Accepted Answer

A)  cloning.
B)  genetic engineering.
C)  nuclear transfer.
D)  gene doping.E) A) and D)
F) B) and D)

Question 18

Which statement about genetically modified foods and allergens is FALSE?

Accepted Answer

A)  Biotechnology companies monitor the allergenic potential of proteins used for plant genetic engineering.
B)  Potentially allergenic soybeans were kept from entering the market.
C)  The products of new genes could cause people to have an allergic reaction to previously safe foods.
D)  Because of the mandatory testing system,individuals with food allergies can automatically assume that new foods are safe.E) None of the above
F) All of the above

Question 19

Given the large increment of GM-produced foods in such a brief period,how are governmental agencies and food companies preventing impact on consumer safety and the environment?

Accepted Answer

The government has set guidelines to hel...

Question 20

Which of the following statements regarding biotechnology is NOT correct?

Accepted Answer

A)  Biotechnology can improve food safety by engineering foods to reduce or eliminate naturally occurring allergens.
B)  For those who have a peanut allergy,biotechnology may lead to allergen-free genetically modified peanuts.
C)  An early example of biotechnology is the use,in Canada,of recombinant bovine somatotropin to improve dairy milk production.
D)  When a food is genetically altered,the proteins or portions of the proteins to which someone is allergic are eliminated.E) B) and D)
F) C) and D)

Exam 26: Focus 8: Focus on Biotechnology

Explain how genetic engineering introduces new traits into plants and compare and contrast traditional breeding methods with those of modern biotechnology.

Correct AnswerverifiedGenetic engineering takes the genes for ...View AnswerShow Answer

How are antibiotic resistance genes used in biotechnology?

Correct AnswerverifiedShow Answer

How is genetic engineering being used to make farming more productive?

Correct AnswerverifiedNumerous products have been improved to ...View AnswerShow Answer

How is genetic engineering being used to make foods more nutritious?

Correct AnswerverifiedGenetic engineering has been a...View AnswerShow Answer

Your mother was horrified to learn that the vast majority of processed foods in Canada contain GM ingredients.What can you tell her to allay her fears of a negative health impact from these foods? If she is still concerned,how can you advise her to avoid them?

Correct AnswerverifiedSince the labelling of GM foods requires...View AnswerShow Answer

What are the potential health risks of genetically modified (GM)foods?

Correct AnswerverifiedIt is possible that some of th...View AnswerShow Answer

How many different bases occur in the DNA molecule?

Correct AnswerverifiedD

Genetic modification improves crop yields by doing all of the following EXCEPT one.Which one?

Correct AnswerverifiedA

Which statement best describes the advantages of biotechnology over traditional plant breeding?

Correct AnswerverifiedShow Answer

Which of the following statements does NOT describe a similarity between selective plant breeding and genetic modification?

Correct AnswerverifiedShow Answer

Which of the following statements is TRUE?

Correct AnswerverifiedShow Answer

Which statement about the genetic modification of plants to provide insect resistance is FALSE?

Correct AnswerverifiedShow Answer

Bacteria have been genetically modified to make compounds used in food processing.What are these compounds?

Correct AnswerverifiedShow Answer

Which of the following about genetically modified food product labels is FALSE?

Correct AnswerverifiedC

How many bases of DNA are needed to code for a single amino acid?

Correct AnswerverifiedShow Answer

Which of the following statements regarding aquaculture is FALSE?

Correct AnswerverifiedShow Answer

"A set of techniques used to manipulate DNA for the purpose of changing the characteristics of an organism." What is being described?

Correct AnswerverifiedShow Answer

Which statement about genetically modified foods and allergens is FALSE?

Correct AnswerverifiedShow Answer

Given the large increment of GM-produced foods in such a brief period,how are governmental agencies and food companies preventing impact on consumer safety and the environment?

Correct AnswerverifiedThe government has set guidelines to hel...View AnswerShow Answer

Which of the following statements regarding biotechnology is NOT correct?

Correct AnswerverifiedShow Answer

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Genetic engineering takes the genes for ...
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Numerous products have been improved to ...
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Genetic engineering has been a...
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Since the labelling of GM foods requires...
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It is possible that some of th...
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D

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A

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C

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The government has set guidelines to hel...
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