Skip to content
    Biology A-Level

    semi-conservative replication

    What semi-conservative replication means in Biology A-Level, as defined for AQA, Pearson Edexcel.

    Definitions of semi-conservative replication

    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 semi-conservative replication in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    Produces DNA molecules with one original template strand and one newly synthesised strand, ensuring genetic continuity between generations of cells.
    AQA · DNA replication (study guide)
    The process of DNA replication where each new DNA molecule consists of one original template strand and one newly synthesised strand.
    Pearson Edexcel · Topic 2: Genes and Health (study guide)
    The method of DNA replication where each new DNA molecule consists of one original template strand and one newly synthesised strand.
    Pearson Edexcel · Topic 1: Lifestyle, Health and Risk (study guide)

    Topics that use semi-conservative replication

    Related terms

    Using semi-conservative replication in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Biology questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Biology A-Level terms