4(b) INHERITANCE · EXAM QUESTIONS

4.32 Human diploid and haploid numbers

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  1. 01StateShort answer2 marks

    4.32 Human diploid and haploid numbers

    Exam question

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    State the number of chromosomes in a human diploid cell and in a human haploid cell.

    (2)

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    Total for this question: 2 marks

  2. 02WhichMultiple choice1 mark

    4.32 Human diploid and haploid numbers

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    Which human cell is haploid?

    (1)
    Choose one answer

    Total for this question: 1 mark

  3. 03ExplainShort answer2 marks

    4.32 Human diploid and haploid numbers

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    Explain why a zygote has 46 chromosomes.

    (2)

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    Total for this question: 2 marks

  4. 04CalculateCalculation2 marks

    4.32 Human diploid and haploid numbers

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    A horse body cell has 64 chromosomes. Calculate the number of chromosomes in a horse sperm cell.

    (2)
    chromosomes

    Total for this question: 2 marks

  5. 05ExplainShort answer2 marks

    4.32 Human diploid and haploid numbers

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    A horse (64) and a donkey (62) produce a mule. Explain why the mule has 63 chromosomes.

    (2)

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    Total for this question: 2 marks

  6. 06SuggestShort answer2 marks

    4.32 Human diploid and haploid numbers

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    Suggest why mules are usually infertile.

    (2)

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    Total for this question: 2 marks

  7. 07IdentifyShort answer1 mark

    4.32 Human diploid and haploid numbers

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    Identify the symbol used for the diploid number.

    (1)

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    Total for this question: 1 mark

  8. 08ExplainShort answer2 marks

    4.32 Human diploid and haploid numbers

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    Explain why red blood cells are neither haploid nor diploid.

    (2)

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    Total for this question: 2 marks

  9. 09StateShort answer1 mark

    4.32 Human diploid and haploid numbers

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    State the type of cell division that turns a diploid cell into haploid cells.

    (1)

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    Total for this question: 1 mark

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