Biology A (Salters-Nuffield) A-Level
Twin studies
What Twin studies means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Twin studies
Check what you remember
Read the wording for your board, then hide it and explain Twin studies in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Compare concordance rates between monozygotic and dizygotic twins to estimate heritability of brain traits, though identical twins also share environment.
Topics that use Twin studies
- Topic 8: Grey Matter (Pearson Edexcel A-Level)
Related terms
- Animal experiments
- Animal models in neuroscience research
- Antagonistic muscle action
- Autonomic control of the pupil
- Benefits
- Cell signalling
- Cerebral hemispheres
- Co-ordination
Using Twin studies 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 A (Salters-Nuffield) questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A (Salters-Nuffield) A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge