DNA replication
What DNA replication means in Combined Science GCSE, as defined for AQA.
Definitions of DNA replication
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Reference: AQA
Produces two identical copies of each chromosome, so each chromosome consists of two sister chromatids.
During interphase, the genetic material is doubled, producing two identical copies of each chromosome.
The DNA is copied before meiosis begins, so each chromosome forms two identical copies.
Topics that use DNA replication
- Meiosis (AQA GCSE)
- Mitosis and the cell cycle (AQA GCSE)
Related terms
- Genetic continuity
- Meiosis
- Cell cycle stages
- Cell differentiation
- Cell growth and DNA replication
- Gamete formation
- Gametes
- Growth and development of multicellular organisms
Using DNA replication in the exam
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