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Cambridge IGCSE Biology practice

Paper 4 structured question: Mitosis

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Mitosis

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Paper 4Theory (Extended)1 marks

Mitosis is a process of cell division that produces two genetically identical daughter cells.

Diagram Description

Stages of Mitosis

A diagram shows duplicated chromosomes aligned in the middle of the cell, then sister chromatids being pulled apart to opposite poles.

  1. a

    State what happens to the duplicated chromosomes during mitosis.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Mitosis

Paper 4Theory (Extended)2 marks

Description

Chromosome Separation in Mitosis

During mitosis, duplicated chromosomes are pulled apart to opposite ends of the cell before it divides.

  1. a

    Identify why it is important that duplicated chromosomes are separated during mitosis.

    Aim for approximately 2 distinct marking points.

    [2]