Skip to content
    Biology A (Salters-Nuffield) A-Level

    Frameshift

    What Frameshift means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.

    Definition of Frameshift

    Check what you remember

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

    Reference: Pearson Edexcel

    A shift caused by insertion or deletion of a number of bases not divisible by three, altering every subsequent codon and usually producing a truncated or non-functional protein.
    Pearson Edexcel · Topic 2: Genes and Health

    Topics that use Frameshift

    Related terms

    Using Frameshift 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 A (Salters-Nuffield) 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 (Salters-Nuffield) A-Level terms