Chapter 13:
Genetic Technology
Practice Test
1.
Which of the following is the polymerase chain reaction used for?
a.
to cleave DNA into small, defined fragments
b.
to make multiple copies of a DNA segment rapidly
c.
to separate DNA fragments in an electrical field
d.
to carry a DNA fragment into another cell
Hint
2.
Which of the following describes DNA sequencing?
a.
reading nucleotide bands produced in a gel by electrophoresis
b.
radioactively labeling a segment of RNA complementary to a gene
c.
using enzymes to produce large amounts of DNA from tiny amounts of DNA
d.
introducing a foreign gene into a plant cell
Hint
3.
An organism such as the glowing tobacco plant that contains a bacterial light-producing gene is known as a(n) ___________.
a.
restricted organism
b.
transgenic organism
c.
genetic organism
d.
vector organism
Hint
4.
Which of the following is an example of a palindrome sequence?
a.
CCTAGG GGATCC
b.
GGCCGC CCGGCG
c.
CGTCGT GCAGCA
d.
TATACC ATATGG
Hint
5.
A linkage map shows __________.
a.
the location of genes on a chromosome
b.
the number of bases found in DNA
c.
the amount of hydrogen bonding in DNA
d.
how individual genes are bonded together
Hint
6.
One of the most important characteristics of restriction enzymes is that they ___________.
a.
are made of RNA
b.
cut DNA at very specific sites
c.
recombine with host DNA
d.
can recognize foreign RNA
Hint
7.
Which process directly results in the production of amino acids?
a.
translocation
b.
translation
c.
transcription
d.
replication
Hint
8.
To diagnose a human disorder, cells can be taken from the individual and grown in __________ to increase the amount of DNA.
a.
cell cultures
b.
vectors
c.
gene therapy
d.
plasmids
Hint
9.
When foreign plasmid DNA is inserted into a bacterium, __________.
a.
the organism uses it as if it were its own
b.
the organism ignores that DNA completely
c.
the organism digests the DNA
d.
the organism attacks the DNA
Hint
10.
Which of the following is NOT used as a vector of foreign DNA?
a.
a virus
b.
a micropipette
c.
a gene gun
d.
a restriction pipette
Hint
11.
__________ is (are) used to make millions of copies of DNA pieces.
a.
Gene therapy
b.
Restriction enzymes
c.
Gel electrophoresis
d.
Polymerase chain reactions
Hint
12.
Which of the following is utilized to precisely cut DNA into pieces?
a.
clones
b.
recombinant DNA
c.
vectors
d.
restriction enzymes
Hint
13.
Mutation of DNA in cells could lead to ___________.
a.
improper cell function
b.
cancer
c.
birth defects
d.
all of the above
Hint
14.
A plasmid is __________.
a.
the type of DNA found in yeast cells
b.
a functional recombinant piece of DNA
c.
a foreign fragment of DNA inside a host cell
d.
a small circle of DNA found in bacterial cells
Hint
15.
Why are bacteria used often for genetic recombination?
a.
Bacteria divide more slowly than other cells.
b.
Bacteria have complex genes similar to human genes.
c.
Bacteria reproduce differently from other types of cells.
d.
A huge population of recombinants can be easily grown.
Hint
