A psychologist explains that some people are more at risk of depression because they have inherited a short version of a serotonin-related gene (5-HTT).
Which one of the following statements about this explanation is correct?
It is a nature explanation, because it focuses on an inherited biological difference
It is a nurture explanation, because it focuses on how behaviour is reinforced
It is a nurture explanation, because it focuses only on stressful life events
It is neither, because genes cannot affect psychological problems
28 exam-style questions on Edexcel GCSE Psychology 3.3 Issues and debates, covering 3.3.1 Nature and nurture debate. Each one has a worked solution and a mark scheme showing where the marks go.