Last Updated Sep 26, 2025

Biological Structures & Neurochemistry Simplified Revision Notes for A-Level Edexcel Psychology

Revision notes with simplified explanations to understand Biological Structures & Neurochemistry quickly and effectively.

Learn about The Biological Approach for your A-Level Psychology Exam. This Revision Note includes a summary of The Biological Approach for easy recall in your Psychology exam

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5.3.2 Biological Structures & Neurochemistry

Genetics on behaviour:

We can inherit certain characteristics through our genes.

Genotype: The genetic code responsible for a trait.

Phenotype: The observable characteristics of an individual.

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