Skip to content
    Biology A-Level

    Genetic causes of variation

    What Genetic causes of variation means in Biology A-Level, as defined for OCR.

    Definition of Genetic causes of variation

    Check what you remember

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

    Reference: OCR

    Variation arising from mutation, meiosis (crossing over and independent assortment) and random fertilisation, and it is heritable.
    OCR · Classification and evolution (study guide)

    Topics that use Genetic causes of variation

    Related terms

    Using Genetic causes of variation 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 A-Level terms