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Genetic Engineering II
Test Description: Practice
Instructions: Answer all questions to get your test result.
1) Genetic engineering involves
A
reinserting DNA into living organisms
B
reading a DNA sequence
C
all of the above
D
editing a DNA sequence
2) Analyzing DNA by gel electrophoresis allows researchers to
A
compare the phenotypes of different organisms.
B
identify similarities and differences in the genomes of different kinds of organisms.
C
determine whether a particular allele of a gene is dominant or recessive.
D
cut DNA with restriction enzymes
3) Knowing the sequence of an organism’s DNA allows researchers to
A
cut the DNA
B
reproduce the organism
C
mutate the DNA
D
study specific genes.
4) The process of making changes in the DNA code of living organisms is called
A
inbreeding
B
hybridization
C
selective breeding
D
genetic engineering
5) Ian Wilmut’s cloning of Dolly in 1997 was considered a breakthrough in genetic engineering because
A
scientists thought only fetal cells could be used to produce clones.
B
sheep had never responded well to gene technology procedures
C
scientists thought cloning was impossible
D
scientists had never before isolated mammary cells
6) A gene that codes for resistance to glyphosate has been added to the genome of certain plants. These plants will
A
survive when glyphosate is sprayed on the field
B
die when exposed to glyphosate
C
convert glyphosate to fertilizer
D
produce chemicals that kill weeds growing near them
7) DNA fingerprinting has been used in criminal investigations because
A
DNA analysis allows investigators to distinguish body cells of different individuals, who are unlikely to have the same DNA
B
bacterial DNA on the hands of criminals may provide a clue as to where that person was when the crime was committed
C
criminals leave DNA samples behind them when they touch an object at a crime scene
D
DNA found on murder weapons is easy to identify
8) The risk associated with vaccines prepared by injecting killed or weakened pathogenic microbes is that
A
None of the above
B
the vaccine protects only against other diseases
C
a few remaining live or unweakened microbes could still cause the disease
D
the antibodies that result may not work
9) The goal of the Human Genome Project is to
A
create maps showing where genes are located on human chromosomes
B
treat patients with genetic diseases
C
identify people with genetic diseases
D
create maps showing where chromosomes are located on human genes
10) The use of genetic engineering to transfer human genes into bacteria
A
causes the human genes to manufacture bacterial proteins
B
results in the formation of a new species of organism
C
allows the bacteria to produce human proteins
D
is impossible with current technology
*select an answer for all questions
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