4(b) INHERITANCE · EXAM QUESTIONS

4.22 Polygenic inheritance

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  1. 01StateShort answer1 mark

    4.22 Polygenic inheritance

    Exam question

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    State what is meant by polygenic inheritance.

    (1)

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    Total for this question: 1 mark

  2. 02WhichMultiple choice1 mark

    4.22 Polygenic inheritance

    Exam question

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    Which human feature is controlled by many genes?

    (1)
    Choose one answer

    Total for this question: 1 mark

  3. 03ExplainShort answer2 marks

    4.22 Polygenic inheritance

    Exam question

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    Explain why polygenic features show continuous variation.

    (2)

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    Total for this question: 2 marks

  4. 04DescribeShort answer2 marks

    4.22 Polygenic inheritance

    Exam question

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    Describe the shape of a graph of a polygenic feature in a large population.

    (2)

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    Total for this question: 2 marks

  5. 05ExplainShort answer2 marks

    4.22 Polygenic inheritance

    Exam question

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    Explain why skin colour is polygenic but also affected by the environment.

    (2)

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    Total for this question: 2 marks

  6. 06CompareShort answer2 marks

    4.22 Polygenic inheritance

    Exam question

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    Compare single-gene and polygenic inheritance.

    (2)

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    Total for this question: 2 marks

  7. 07SuggestShort answer2 marks

    4.22 Polygenic inheritance

    Exam question

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    Suggest why a genetic diagram is not used to predict height of children.

    (2)

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    Total for this question: 2 marks

  8. 08IdentifyShort answer1 mark

    4.22 Polygenic inheritance

    Exam question

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    Identify the type of variation shown by a polygenic feature.

    (1)

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    Total for this question: 1 mark

  9. 09ExplainShort answer2 marks

    4.22 Polygenic inheritance

    Exam question

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    Explain why two parents of average height can have a very tall child.

    (2)

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    Total for this question: 2 marks

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