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