AnswersFL-2000310-Biology 1 Sem 1 - FlexConsequences of DNA Technology

Consequences of DNA Technology Answers

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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 least likely to be an economic concern that affects society?

A
patented products
B
birth defects
C
land use
D
cost of genetically engineered seeds
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Which is a disadvantage of using DNA technology?

A
edible vaccines
B
phytoremediation
C
herbicide tolerance
D
gene transfer to nontarget species
3

Which is a synonym for genetic engineering?

A
DNA fingerprinting
B
recombinant DNA technology
C
biotechnology
D
restriction enzyme technology
4

When exposed to air, the flesh of apples turn brown. Arctic apples are a result of introducing an anti-browning gene in the apple’s genetic makeup. Which technology was most likely used to produce the anti-browning property of the Arctic apple?

A
xenotransplantation
B
Bt gene production
C
genetic engineering
D
half-life determination
5

Which is a disadvantage of using genetic engineering?

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

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
7

In 1939, the use of DDT (a powerful synthetic chemical) as an insecticide was discovered. The United States adopted its widespread use, producing up to 100 million kilograms per year (200 million pounds per year). Twenty years later, severe side effects started to be reported as a result of DDT use. Which was an advantage of using DDT?

A
insect and pest populations decreased
B
birth defect rates increased
C
cancer rates increased
D
fertility rates decreased
8

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
9

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
10

Which is an advantage of using DNA technology?

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

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