Name: 
 

DNA Study Guide including Biotechnology



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Gel electrophoresis is a technique used to _____.
a.
clone chromosomes of various species
b.
cut DNA into fragments of various sizes
c.
separate DNA fragments by charge and length
d.
inject foreign DNA into animal and plant cells
 

 2. 

Recombinant DNA are currently used to produce _____.
a.
clothing dye, cheese, and laundry products
b.
human antibodies and vaccines
c.
crops that test better and stay fresh longer
d.
all of these
 

 3. 

Listed below are procedures involved in the production of a transgenic organism. From the choices provided, select the sequence that represents the proper order of events.
1.      Recombinant DNA is transferred into a bacterial cell.
2.      A specific gene is identified in a DNA sequence.
3.      The DNA fragment is recombined into a vector.
4.      The DNA fragment to be inserted is isolated.
a.
1, 2, 3, 4
c.
2, 4, 3, 1
b.
2, 3, 1, 4
d.
4, 1, 2, 3
 

 4. 

The process used to separate DNA segments of different lengths is _____.
a.
PCR
c.
gene amplification
b.
gel electrophoresis
d.
all of these
 

 5. 

The Human Genome Project has involved sequencing and mapping the human genome. The most important benefit of this information has been the diagnosis of genetic disorders. Once a genetic disorder is diagnosed, ______ can be used as a possible treatment.
a.
cell cultures
c.
DNA fingerprinting
b.
gene therapy
d.
PCR
 

 6. 

The effort to completely map and sequence the human genome will likely result in knowing the sequence of the approximately _____ genes on the 46 human chromosomes.
a.
46
c.
35 000 to 40 000
b.
10 000
d.
3 billion
 

 7. 

Which of the following are applications of genetic engineering?
a.
transgenic bacteria in agriculture
c.
transgenic bacteria in industry
b.
transgenic plants and animals
d.
all of these
 
 
dna_study_guide_inc_files/i0090000.jpg
Figure 13-8
 

 8. 

According to Figure 13-8, which are the parents of the child?
a.
A
c.
C
b.
B
d.
D
 

 9. 

According to Figure 13-8, which parents might give a false positive if only the longer DNA fragments were analyzed?
a.
A
c.
C
b.
B
d.
D
 



 
Check Your Work     Reset Help