15.5.2a Cause of Variation
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SPM Form 5 Biology Chapter 6
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Question 1 of 6
1. Question
1 pointsDiagram shows a schematic diagram of a genetic disease.
What is the characteristic of child M?Correct
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Incorrect
The correct answer is “Short neck and slanted eyes”.
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Question 2 of 6
2. Question
1 pointsThe diagram shows a karyotype of a male suffering from a type of genetic disease.
The genetic disease suffered by the man isCorrect
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Incorrect
The correct answer is “Down’s syndrome”.
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Question 3 of 6
3. Question
1 pointsWhich of the following does not cause variation?
Correct
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Incorrect
The correct answer is “Separation of sister chromatids”.
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Question 4 of 6
4. Question
1 pointsThe following is information about two individuals, K and M.
Which factor causes the difference in traits for the two individuals?Correct
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The correct answer is “Genetic”.
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Question 5 of 6
5. Question
1 pointsA girl has sickle-cell anaemia disease.
What caused this disease?Correct
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Incorrect
The correct answer is “Change in the structure of a gene”.
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Question 6 of 6
6. Question
1 pointsWhich of the following chemicals are mutagen?
I. Carbon monoxide
II. Benzene
III. Carbon tetrachloride
IV. Nitrous oxideCorrect
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The correct answer is “II and III only”.