Chapter 17: Genomes

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

Multiple Choice

 

1. The gene most responsible for differences in size among different breeds of dogs is the _______ gene.
2. myostatin
3. phosphofructokinase
4. insulin-like growth factor
5. tyrosine growth factor
6. giant

Answer: c

Textbook Reference: 17.0 The dog genome

Page: 365

Bloom’s Category: 1. Remembering

 

2. Increasing the activity of myostatin in a dog will most likely lead to
3. increased muscle development.
4. decreased muscle development.
5. increased size.
6. decreased size.
7. a change in coat color.

Answer: b

Textbook Reference: 17.0 The dog genome

Page: 365

Bloom’s Category: 2. Understanding

 

3. Which of the following statements about the Human Genome Project (HGP) is false?
4. The sequencing of smaller genomes helped in the development of methods that benefited the HGP.
5. Only privately funded groups were involved in the sequencing effort.
6. The HGP was in part spurred on by a desire to determine the specific DNA damage caused by radiation from the atomic blasts on Japan during World War II.
7. One objective of the HGP was to identify genetic changes associated with disease.
8. All of the above are true; none is false.

Answer: b

Textbook Reference: 17.1 How Are Genomes Sequenced?

Page: 366

Bloom’s Category: 1. Remembering

 

4. The maximum length of DNA that can be sequenced at one time by means of the standard technology is about _______ bases.
5. 700
6. 3,000
7. 7,000
8. 30,000
9. 70,000

Answer: a

Textbook Reference: 17.1 How Are Genomes Sequenced?

Page: 366

Bloom’s Category: 1. Remembering

 

5. Suppose a long sequence of DNA is cut with four different restriction enzymes. Which restriction enzyme should produce the fewest number of fragments?
6. One that cuts at the sequence GACT
7. One that cuts at the sequence GCCTCT
8. One that cuts at the sequence AGTTCTAT
9. One that cuts at the sequence CAGTTCTATG
10. Each of these enzymes should produce roughly the same number of fragments.

Answer: d

Textbook Reference: 17.1 How Are Genomes Sequenced?

Page: 367

Bloom’s Category: 4. Analyzing