Biology A-Level
chromatin
What chromatin means in Biology A-Level, as defined for AQA.
Definition of chromatin
Check what you remember
Read the wording for your board, then hide it and explain chromatin in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The complex of DNA and histone proteins, which condenses further before nuclear division to form the chromosomes visible under a light microscope.
Topics that use chromatin
- DNA, genes and chromosomes (AQA A-Level)
Related terms
- alleles
- base sequence
- circular organelle DNA
- crossing over
- degenerate code
- endosymbiotic theory
- functional RNA
- gel electrophoresis
Using chromatin 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.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge