The Basis of DNA Technology

Question 1

According to advocates for the use of genetic engineering, which is an example of the importance of recombinant DNA technology?

Revolt · Accepted Answer

There is a reduced use of pesticides, herbicides, and fertilizers.

Question 2

The insertion of the human insulin gene into the bacterium Escherichia coli allowed it to produce human insulin. Which type of organism is E. coli?

Revolt · Accepted Answer

transgenic organism

Question 3

Which is an advantage of genetic engineering?

Revolt · Accepted Answer

diminished effects of diseases on crops

Question 4

Which best describes the first step in genetic engineering?

Revolt · Accepted Answer

Fragments of DNA that have desired genes are isolated to form recombinant DNA for use in a host.

Question 5

Scientists have been able to inject the firefly's lighting gene into a tobacco plant, allowing it to glow. Which type of organism is this tobacco plant?

Revolt · Accepted Answer

transgenic organism

Question 6

Scientists have recently modified the bacteria that cause tooth decay by inserting a fragment of DNA into the bacteria's DNA that prevents it from producing lactic acid. What is the new DNA called?

Revolt · Accepted Answer

recombinant DNA

Question 7

Which describes a potential benefit for the environment that stems from genetic engineering?

Revolt · Accepted Answer

phytoremediation

Question 8

Which is the role of restriction enzymes?

Revolt · Accepted Answer

to cut DNA into fragments of different lengths

Question 9

Which of the statements about the relationship between DNA technology and genetic diversity is accurate?

Revolt · Accepted Answer

DNA technology can increase genetic diversity by producing more variant alleles.

Question 10

Which best explains why DNA technology is important for disease prevention?

Revolt · Accepted Answer

It can help detect if a person is prone to certain diseases.

The Basis of DNA Technology Answers

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