Skip to content
    Biology GCSE

    Haploid gametes and fertilisation

    What Haploid gametes and fertilisation means in Biology GCSE, as defined for AQA.

    Definition of Haploid gametes and fertilisation

    Check what you remember

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

    Reference: AQA

    Gametes are haploid, so every egg carries one X while sperm carry either X or Y, and sex is determined at fertilisation by which sperm fuses with the egg.
    AQA · Sex determination (study guide)

    Topics that use Haploid gametes and fertilisation

    Related terms

    Using Haploid gametes and fertilisation 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 GCSE terms