Biology A-Level
epigenetics
What epigenetics means in Biology A-Level, as defined for AQA.
Definition of epigenetics
Check what you remember
Read the wording for your board, then hide it and explain epigenetics in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Control that determines which eukaryotic genes are transcribed, without altering the DNA base sequence.
Topics that use epigenetics
Related terms
- complementary base pairing
- correlation not causation
- decreased histone acetylation
- DNA methylation
- environment and gene expression
- genotype versus environment
- histone acetylation
- hypermethylation of tumour suppressor genes
Using epigenetics in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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