G543 - Turning To Crime: Biology - Brunner Flashcards Preview

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Flashcards in G543 - Turning To Crime: Biology - Brunner Deck (10)
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0

What was the aim?

To explain the behaviour of a large family in the Netherlands where the males are affected by borderline mental retardation and abnormal violent behaviour

1

What experiment was used?

Quasi

2

How many of the males from the family did the study closely examine?

5 affected males

3

What was the data collected from?

Urine samples

4

How long was data collected for?

24-hours

5

What did the urine tests show a deficit of?

Monoamine oxidase A (MAOA)

6

Where was a mutation identified?

On the X chromosome of the gene responsible for the production of MAOA

7

What is MAOA involved in?

Serotonin metabolism

8

What is a defect in the gene responsible for the production of MAOA likely to be responsible for?

Mental retardation in the family and this May account for their violent behaviour

9

What did Brunner fundamentally conclude about the MAOA deficiency?

It accounted for their inability to control aggression

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