Taking the pollen from one rose flower and using it to pollinate a flower on a different rose plant is an example of what?
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Selective breeding
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Mutation
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Genetic engineering
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None of the above
Q.3.
Which of the following is a disadvantage of selective breeding?
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The long term health issues are unknown
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The gene pool is diliuted
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Disease could spread quickly through a population
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There could be an increase in genetic diseases
Q.4.
How do scientists cut out a specific gene ready to place into another organism?
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They use a scalpel and a microscope
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They use a small pice of thin glass
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They use an enzyme
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They use a hot wire to cut the DNA in the right place
Q.5.
What is the correct order of these steps which describe genetic modification?Isolation of the gene responsible for the characteristic.Replication of the transgenic organism.Selection of the desired characteristic.Insertion of the gene into another organism.
0%
1,2,3,4
0%
4,3,2,1
0%
2,3,1,4
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3,1,4,2
Q.6.
Where in a cell are the genes found?
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They make up the chromosomes
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They make up the cell wall
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They are floating around in the cytoplasm
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They are contained in the cell membrane
Q.7.
These statements are about the role of enzymes in genetic modification. Which is correct?
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Ligase enzymes are used to cut DNA in specific places
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Restriction enymes are used to cut DNA in specific places
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Restriction enzymes join DNA together
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None of the statements are correct
Q.8.
Which of the following can be used as vectors?
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Bacteria, plasmids and viruses
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Bacteria and plasmids
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Plasmids and viruses
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Plasmids only
Q.9.
Nowadays, most insulin is made using genetically modified bacteria that have had the human gene for insulin inserted into them. Which of the following could be regarded as an advantage of GM insulin over natural insulin?
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All of the above
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It can be made in very large amounts from gentically modified bacteria
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It is less likely to cause an adverse reaction
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It overcomes ethical concerns from vegetarians, vegans and some religious groups
Q.10.
Which of the following is a objection to genetic engineering of a crop?
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GM food could contain substances that create allergic reactions in some people
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Moving genes from one organism to another is unnatural
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It could cross breed with the same crops in nearby fields, contaminating it in unpredictable ways
0%
It could reduce biodiversity
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