Biology GCSE
DNA replication before division
What DNA replication before division means in Biology GCSE, as defined for AQA.
Definition of DNA replication before division
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Reference: AQA
Before division begins, the DNA is replicated so each chromosome becomes two identical chromatids, giving copies of the genetic information.
Topics that use DNA replication before division
- Meiosis (AQA GCSE)
Related terms
- Cell differentiation
- Fertilisation
- Inheritance
- Mitosis and growth
- Two-stage nuclear division
- Diploid number
- Embryo development
- Haploid gamete formation
Using DNA replication before division in the exam
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