Biology GCSE
Autosomes and sex chromosomes
What Autosomes and sex chromosomes means in Biology GCSE, as defined for AQA.
Definition of Autosomes and sex chromosomes
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Reference: AQA
The first 22 pairs of chromosomes are autosomes and carry genes that control general characteristics, while the 23rd pair are the sex chromosomes and carry the genes that determine sex.
Topics that use Autosomes and sex chromosomes
- Sex determination (AQA GCSE)
Related terms
- Diploid and haploid
- Gametes and fertilisation
- Haploid gametes and fertilisation
- Inheritance of sex
- Sex determination
- Genotype and phenotype
- Homologous chromosomes
Using Autosomes and sex chromosomes in the exam
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