1. Which study found that children with variant of the MAOA gene, produced less of MAOA but only showed aggressive behaviour if maltreated during childhood?
- Brunner et al.
- Young et al.
- Caspi et al.
- Plomin et al.
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2. Issue with genetic factors of aggression in terms of real world application
- Provides an excuse for violent crimes, takes away their responsibility for the crime, this causes distress for the victims and their families and friends and is damaging for society as a whole
- Mandel said that the theory was monocausal
- Must be generalised with caution as its too simplistic
3. Extra Y chromosomes in males leads to...
- Increased testosterone levels, which is associated with aggressive behaviour
- Low testosterone levels which reduces aggressive behaviour
- Increased aggressive behaviour
4. Issue of Young et al.
- Generalise with caution to humans
- Too simplistic
- Not specific enough in what gene mutates
5. What did Miles and Carey find?
- 50% of variation in aggressive behaviour was due to genetic influence
- There was a significant number of adopted individuals with criminal convictions that had biological parents with criminal history
- Genetic mutation in mice caused violence in the mice
- In a replication of Bandura's bobo doll study there was no difference in MZ and DZ aggressive behaviour