Skip to content
    Biology GCSE

    DNA replication

    What DNA replication means in Biology GCSE, as defined for AQA, OCR.

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

    Reference: AQA

    Occurs during interphase, when the genetic material is doubled so each chromosome becomes two identical copies.
    AQA · Mitosis and the cell cycle (study guide)
    The DNA replicates to form two copies of each chromosome, happening during interphase before mitosis.
    AQA · Mitosis and the cell cycle (study guide)
    A stage in which each chromosome is copied to give two identical sister chromatids.
    OCR · Supplying the cell

    Topics that use DNA replication

    Related terms

    Using DNA 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 GCSE terms