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    Biology A-Level

    introns

    What introns means in Biology A-Level, as defined for AQA.

    Definitions of introns

    Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.

    Check what you remember

    Read the wording for your board, then hide it and explain introns in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    Non-coding sequences within a gene, lying between the exons.
    AQA · DNA, genes and chromosomes (study guide)
    Sections within the gene that do not code for amino acids.
    AQA · DNA, genes and chromosomes (study guide)

    Topics that use introns

    Related terms

    Using introns in the exam

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