AnswersNC-Biology CR 2024Consequences of DNA Technology

Consequences of DNA Technology Answers

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The chart shows the advantages and the disadvantages of using DNA technology.AdvantagesDisadvantagesAllergiesUnknown effectsPhytoremediationReduced effectiveness of pesticidesCold toleranceUnintended harmPharmaceuticals Which entry is in the wrong position in the table?

A
cold tolerance
B
allergies
C
unknown effects
D
phytoremediation
2
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There are economic concerns surrounding the products that have been genetically engineered for particular traits, including pharmaceuticals, crops, and enzymes that are used in industry and manufacturing processes. Which is an economic concern that affects society?

A
patented products
B
birth defects
C
infertility
D
cancer
3

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4

Thale cress is a plant that is genetically engineered with genes that break down toxic materials. Which type of organism is described?

A
recombinant
B
transgenic
C
transverse
D
restriction
5

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6

Which consequence are scientists concerned could result from the use of genetically engineered growth hormones in dairy products?

A
blindness
B
cancer
C
increased costs
D
fewer organic options
7

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

A
Only positives can come from this type of technology, as seen in the DDT study.
B
Human health will not be affected because scientists have studied this technology for over 50 years.
C
The genetically engineered corn has been proven to cause cancer in some human populations.
D
The long-term effects are unknown and have not been studied because it is a fairly new technology.
8

Which is an advantage of using DNA technology?

A
phytoremediation
B
gene transfer to nontarget species
C
unknown effects
D
reduced effectiveness of pesticides
9

Which is a disadvantage of using genetic engineering?

A
reduced effectiveness of pesticides
B
more pharmaceuticals
C
edible vaccines
D
drought and salinity tolerance
10

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

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

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