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Biological approach

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Question 22

In a study of vision health, researchers examined 120 pairs of identical twins. They recorded whether both twins in each pair had the same myopia (nearsightedness) category or different categories.

Table 1: Concordance of myopia categories in 120 identical twin pairs

Twin pairs with the same myopia categoryTwin pairs with different myopia categories
5466

Use your knowledge of genotype and phenotype to explain the data in Table 1.

[4]

Biological approach Questions

  1. A Level
  2. /Psychology
  3. /Biological approach

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.

Question bank