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

    Locus

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

    Definition of Locus

    Check what you remember

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

    Reference: Pearson Edexcel

    The location of genes on a chromosome; its plural is loci.
    Pearson Edexcel · Topic 3: Voice of the Genome

    Topics that use Locus

    Related terms

    Using Locus 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