Amara and Jasmine are monozygotic (identical) twins who were raised in the same household and attended the same school. During their final year at university, both completed a clinical assessment measuring trait anxiety. Despite their identical upbringing, Amara's score indicated exceptionally low trait anxiety, whereas Jasmine's score indicated high trait anxiety.
Use your knowledge of genotype and phenotype to explain this difference in their anxiety levels.
Practise AQA A Level Psychology Biological approach with exam-style questions for A Level Psychology. 48 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.