Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892


Chapter 1, Problem 5TYK
Textbook Problem

Which of the following characteristics would not qualify an animal as a model organism?

a. It has rapid development.

b. It has a small adult size.

c. It has a rapid life cycle.

d. It has unique genes and unusual cells.

e. It is easy to raise in the laboratory.

Expert Solution
Summary Introduction


Many of the life forms share various similar processes, structures, and molecules. Scientists conduct researches on simple organisms, which provide an insight into the processes that take place inside complex organisms. These simpler organisms are known as model organisms. There are various properties of model organisms because of which scientist use them for their studies.

Explanation of Solution

Justification for the correct answer:

Option (d) is “it has unique genes and unusual cells.” This option is correct as model organisms do not have unique genes and unusual cells. They share a similar process, molecules, and structures with the complex organisms. In case they would have unique genes, they would not qualify as model organisms. Hence, option (d) is the correct answer.

Justifications for the incorrect answers:

Option (a) is “it has rapid development.” It is false as it is one of the requirements for qualifying as a model organism. Therefore, it is an incorrect option.

Option (b) is “it has a small adult size.” It is false as the small adult size of the organisms makes it easier for rearing in the lab...

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Chapter 1 Solutions

Biology: The Dynamic Science (MindTap Course List)
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