Atypical sex chromosome patterns Flashcards
1
Q
what is Klienfelter’s?
A
- effects i in 500/1000
- males but have XXY chromosomes (female characteristics)
2
Q
what are the physical characteristics of klienfelter’s?
A
- reduced body hair
- breast development at puberty
- round body contours
- long limbs
- undeveloped genitals
- clumsiness
3
Q
what are the psychological characteristics of klienfelter’s?
A
- bad language and reading skills
- passive and shy
- no intrest in sex
- bad with stress, memory and problem solving
4
Q
what is Turner’s syndrome?
A
- affects 1 in 5000
- absence of X chromosomes (X0) - 45 chromosomes instead of 46
5
Q
what are the physical characteristics of Turner’s syndrome?
A
- no periods/ sterile
- broad shielded chest
- low set ears and webbed neck
- prepubescent girls body
6
Q
what are the psychological characteristics of Turner’s?
A
- better than normal reading
- bad maths, visual and spatial memory
- socially immature
- trouble relating to others and fitting in
7
Q
+ contribution to nature nurture debate
A
- by comparing these people to normal people, we can see the psychological and behavioural differences
- seen as result of biology/ nature
8
Q
+/- environmental explanation
A
relationship between chromosome abnormalities and behaviour isn’t causal
- environmental and social can affect individuals
(can assume everything stops do with nature)
9
Q
+ practical application
A
- research into atypical chromosomes can lead to earlier diagnosis
- Herlihy (11) did study with 87 klienfelter people and found those treated at young age were better off
