A typical sex chromosome patterns

Question 1

klinfelters syndrome

Answer 1

1/500-1/1000 people affected

biologically male with the appearance of males and have an extra X chromosome

Question 2

what are the physical characteristics of klinfelters syndrome?

Answer 2

reduced body hair
breast development 
long gangly limbs 
underdeveloped genitals 
co-ordination and clumsiness

Question 3

what are the psychological characteristics of KF

Answer 3

poorly developed language and reading acitivity
passive, shy and lack intrest in sexual activity
do not respond well to stress

Question 4

What is turners syndrome?

Answer 4

1/5000 females. Caused by an absence of 2 X chromosomes so they have 45 chromosomes

Question 5

What are the physical characteristics of turners syndrome?

Answer 5

No menstrual cycle 
Ovaries fail to develop 
Do not develop breasts 
shield chest 
Webbed neck

Question 6

Psychological characteristics of turners syndrome?

Answer 6

Higher than average reading
Performance on spatial visual memory and maths is lower
Socially immature

Question 7

Evaluation

Nature / nurture debate

Answer 7

By comparing these individuals with people in the normal population we can see the psychological and behavioural differences
We could infer the differences are biological and as a result of chromosomal structure

Question 8

Evaluation point 1 (environmental)

Answer 8

Environmental and social influences are more responsible for the behaviour differences in Individuals
It is wrong to assume differences are due to nature

Question 9

Evaluation point 2 (individual differences)

Answer 9

Individuals who look different are more likely to be treated different