Biology A (Salters-Nuffield) A-Level
Epigenetic changes
What Epigenetic changes means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Epigenetic changes
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Reference: Pearson Edexcel
Changes that modify gene activation without altering the DNA base sequence, affecting whether and how strongly a gene is transcribed, and are reversible.
Topics that use Epigenetic changes
- 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
- DNA replication and sister chromatids
Using Epigenetic changes in the exam
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