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

    Marker gene

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

    Definition of Marker gene

    Check what you remember

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

    Reference: Pearson Edexcel

    Used to select transformed cells after the vector has been transferred into the host cell.
    Pearson Edexcel · Topic 8: Grey Matter

    Topics that use Marker gene

    Related terms

    Using Marker gene 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