Biology GCSE
Gametes and fertilisation
What Gametes and fertilisation means in Biology GCSE, as defined for AQA.
Definition of Gametes and fertilisation
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Reference: AQA
Gametes are haploid: all egg cells carry an X chromosome, while sperm cells carry either an X or a Y chromosome, and at fertilisation these combine.
Topics that use Gametes and fertilisation
- Sex determination (AQA GCSE)
Related terms
- Autosomes and sex chromosomes
- Diploid and haploid
- Haploid gametes and fertilisation
- Inheritance of sex
- Sex determination
- Genotype and phenotype
- Homologous chromosomes
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