4.34 Mutation
Exam question
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State what is meant by a mutation.
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Total for this question: 1 mark
4(b) INHERITANCE · EXAM QUESTIONS
4.34 Mutation
13 exam-style questions. Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
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4.34 Mutation
Exam question
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What is the source of new alleles?
(1)Total for this question: 1 mark
4.34 Mutation
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Explain how mutation leads to genetic variation.
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Total for this question: 2 marks
4.34 Mutation
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Explain why a change in DNA often leaves the organism unchanged.
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Total for this question: 2 marks
4.34 Mutation
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Explain how a mutation could stop an enzyme working.
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Total for this question: 3 marks
4.34 Mutation
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Suggest why mutations in gametes are more significant for evolution than mutations in skin cells.
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Total for this question: 2 marks
4.34 Mutation
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State one way a mutation can be beneficial.
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Total for this question: 1 mark
4.34 Mutation
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Explain why mutations happen more often in cells that are dividing.
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Total for this question: 2 marks
4.34 Mutation
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Describe how a mutation can lead to cancer.
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Total for this question: 2 marks
4.34 Mutation
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Identify whether mutations happen randomly or are caused by the needs of the organism.
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Total for this question: 1 mark
4.34 Mutation
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Explain why a mutation can be harmful.
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Total for this question: 2 marks
4.34 Mutation
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Compare the effects of a mutation in a body cell and in a sex cell.
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Total for this question: 2 marks
4.34 Mutation
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Suggest why identical twins can differ because of mutation.
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Total for this question: 2 marks