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Cambridge IGCSE Biology practice

Paper 4 structured question: Concept and uses of classification systems

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Concept and uses of classification systems

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Paper 4Theory (Extended)1 marks

The importance of DNA in understanding biodiversity.

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Biodiversity and DNA

DNA analysis helps in understanding the relationships and diversity among species.

  1. a

    State one advantage of using DNA sequences for classification.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Concept and uses of classification systems

Paper 4Theory (Extended)4 marks

Description

DNA Classification

DNA sequences are analyzed to classify organisms into groups based on genetic similarities and differences.

  1. a

    Explain how DNA base sequences are used in the classification of organisms.

    Aim for approximately 4 distinct marking points.

    [4]