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Consequences of DNA Technology — Quiz Answers

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Considering that nearly 85 percent of corn crops are genetically engineered, which impact does genetically engineered corn have on human health?

A
The genetically engineered corn has been proven to cause cancer in some human populations.
B
The long-term effects are unknown and have not been studied because it is a fairly new technology.
C
Only positives can come from this type of technology, as seen in the DDT study.
D
Human health will not be affected because scientists have studied this technology for over 50 years.
4

Which is a disadvantage of using genetic engineering?

A
edible vaccines
B
more pharmaceuticals
C
reduced effectiveness of pesticides
D
drought and salinity tolerance
6

Which is a disadvantage of using DNA technology?

A
gene transfer to nontarget species
B
herbicide tolerance
C
phytoremediation
D
edible vaccines
7

Which is an advantage of using DNA technology?

A
phytoremediation
B
unknown effects
C
reduced effectiveness of pesticides
D
gene transfer to nontarget species
8

Why might genetically engineering a crop to be herbicide resistant result in producing weeds that are herbicide resistant?

A
The weeds that are not affected by the herbicide are able to reproduce.
B
Insects that are not affected by the herbicide can pollinate new species of weeds.
C
The DNA in herbicide resistant crops does not affect insects.
D
The weeds will become tolerant to the herbicide through repeated exposure.
9

Which is a synonym for genetic engineering ?

A
biotechnology
B
restriction enzyme technology
C
DNA fingerprinting
D
recombinant DNA technology
10

Which best describes the advantage of pest resistance?

A
Pesticides become less effective.
B
Pests can tolerate more pesticides.
C
Farmers do not have to use harsh chemicals to save their crops.
D
Farmers can kills weeds without killing their cash crop.

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