Biology A (Salters-Nuffield) A-Level
DNA replication and sister chromatids
What DNA replication and sister chromatids means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of DNA replication and sister chromatids
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Reference: Pearson Edexcel
During S phase DNA replication produces two identical copies of each chromosome, each consisting of two sister chromatids held at a centromere.
Topics that use DNA replication and sister chromatids
- Topic 3: Voice of the Genome (Pearson Edexcel A-Level)
Related terms
- Acrosome
- Acrosome reaction
- Cell cycle and interphase
- Continuous variation and normal distribution
- Cortical reaction
- Differential gene expression
- DNA methylation
- Epigenetic changes
Using DNA replication and sister chromatids in the exam
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