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

    Meselson and Stahl's experiment

    What Meselson and Stahl's experiment means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.

    Definition of Meselson and Stahl's experiment

    Check what you remember

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

    Reference: Pearson Edexcel

    Grew E. coli in ¹⁵N medium, transferred cells to ¹⁴N medium, and found all DNA hybrid after one generation and half hybrid, half light after two.
    Pearson Edexcel · Topic 2: Genes and Health

    Topics that use Meselson and Stahl's experiment

    Related terms

    Using Meselson and Stahl's experiment 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