genetic jacobs XYY Flashcards
What did this theory state?
1 in 1000 males had an extra Y chromosome, making is XYY
What is a chromosome?
A bundle of DNA
What did Jacob find linking to aggression?
He found that men with thus extra Y chromosome are more aggressive
What’s another name for this theory?
The super male syndrome
How often does it happen?
1 in 1000 males
Who was Daniel Hugon?
He strangled a 61 year old prostitute to death. Later it was found that he does have the extra Y chromosome and he has a history of aggression
Strength: how is it supported by evidence?
It’s been found and proven that significant number of men in prison that have a pm aggressive past have the extra chromosome. It can also be applied in order to improve stuff.
Strength: what did prince and whatmore find?
They found links between properly damaged crime and the syndrome
Weakness: why is it bad if it’s rare?
It’s only 1 in 1000, therefore it’s not easy to study it meaning it can’t always be an explaination of crime.
Weakness: why are XYY males over represented in prison?
Because they have low intelligence and more likely to be caught
