The biological approach

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Across
  1. 3. Twins that share 50% of their genes
  2. 6. The rate that is measured by looking to see if both twins in a set share the same trait/characteristics
  3. 8. The expression of our genes
  4. 9. The name of a theory that looks at how traits have been passed on from our ancestors to aid survival.
  5. 10. Our genetic makeup
Down
  1. 1. Twins that share 100% of their genes
  2. 2. A neurochemical that has been linked to the cause of OCD
  3. 4. ________ ganglia. A brain structure that has been linked to the cause of OCD
  4. 5. ________ sensitive.A limitation of this approach as it removes the blame from somebody.
  5. 7. The fact that this approach is free from personal judgements/opinions.