XYY syndrome (bio explan. to crime)

Question 1

Describe XYY syndrome (Jacob’s syndrome)

AO1

Answer 1

• human male has an extra Y chromosome (XYY instead of XY)
• 47 chromosome instead of usually 46
• not inheritable
• men are the ones to be able to randomly develop it
• development due to random mutation of the gene
• make males more aggressive ad lacking in empathy (super male syndrome)

Question 2

Jacobs et al. gives some supporting evidence: what are they

AO3

Answer 2

• 1/1000 men in the general population can have it
• 15/1000 prison population has it
• difficult to determine on who has it
• 75% of cases are not detected

Question 3

what are the characteristics of XYY syndrome?

AO1

Answer 3

• acne
• speech problems
• slight lower intelligence
• 7cm taller than average height
• impulsivity
• defiant/aggressive behaviour
• lacking of empathy

Question 4

can it be treated/helped?

AO3 - application

Answer 4

occupational therapy: physical/sensory/cognitive problems such as barriers affecting a person emotional, social, physical needs –> uses everyday exercises, activities and other therapies alongside it

speech therapy

supportive treatment like having extra help in school, more attentive attention, having extra time in tests etc