10 exam-style questions · Biology only (B): not in Science (Double Award). 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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4.36B How often a mutation affects the phenotype
Exam question
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Explain why only a small fraction of base changes alter an organism's features.
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Total for this question: 2 marks
4.36B How often a mutation affects the phenotype
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State the three possible effects of a mutation on the phenotype.
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Total for this question: 3 marks
4.36B How often a mutation affects the phenotype
Exam question
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Which is the most common effect of a mutation?
(1)Total for this question: 1 mark
4.36B How often a mutation affects the phenotype
Exam question
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Explain why some mutations affect the phenotype only a little.
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Total for this question: 2 marks
4.36B How often a mutation affects the phenotype
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Suggest why beneficial mutations are rare.
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Total for this question: 2 marks
4.36B How often a mutation affects the phenotype
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Explain why a harmful mutation may stay in a population.
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Total for this question: 2 marks
4.36B How often a mutation affects the phenotype
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Identify one mutation that is beneficial to bacteria.
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Total for this question: 1 mark
4.36B How often a mutation affects the phenotype
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Explain why a mutation in a skin cell has little effect on the whole organism.
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Total for this question: 2 marks
4.36B How often a mutation affects the phenotype
Exam question
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Suggest why the effect of a mutation can depend on the environment.
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Total for this question: 2 marks
4.36B How often a mutation affects the phenotype
Exam question
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State the name for a mutation with no effect on the phenotype.
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Total for this question: 1 mark
