Liam and Noah are identical twins. Liam says to Noah, "It doesn't make sense. If we share the exact same DNA, why are you two inches taller than me and so much better at playing the violin?"
Noah replies, "Well, Liam, sharing the same genetic blueprint doesn't mean we turn out exactly the same."
Using your knowledge of genotype and phenotype, explain Liam's and Noah's comments.
Practise AQA A Level Psychology Approaches in Psychology with exam-style questions for A Level Psychology. 248 questions covering Learning approaches, Cognitive approach, Biological approach, Psychodynamic approach (A-level only), Humanistic Psychology (A-level only), and Comparison of approaches (A-level only), 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.