Atypical Sec Chromosome Patterns

Question 1

How many people does klienfelters syndrome affect

Answer 1

Between 1-500 to 1-1000

Question 2

Are people with klienfelters male or female?

Answer 2

Male

Question 3

What is klienfelters chromosome structure

Answer 3

XXY

Question 4

Name 4 physical characteristics of klienfelters

Answer 4

1) reduced body hair
2) breast development
3) underdeveloped genitals
4) problems with co-ordination

Question 5

Name 3 psychological characteristics of klienfelters

Answer 5

1) poor language and reading abilities
2) passive, shy, and lack sexual drive
3) reduced executive function

Question 6

How many females does Turners syndrome affect?

Answer 6

1-5000 females

Question 7

What is the chromosome structure of Turners

Answer 7

X0 (absence of an X)

Question 8

Name 4 physical characteristics of Turners

Answer 8

1) ovaries fail to develop so sterile and no menstrual cycle
2) no breasts, shield chest
3) webbed neck
4) retain appearance of pre-pubescent

Question 9

Name 3 psychological characteristics of Turners

Answer 9

1) higher than average reading ability
2) spatial, visual and maths tasks worse at
3) socially immature so struggle to fit in

Question 10

A03: nature- nurture

Answer 10

1) By comparing atypical and typical individuals we can observe behavioural differences.
2) Such as Turners have higher reading ability.
3) suggests biological basis for this behaviour

Question 11

Criticism of Nature-Nurture

Answer 11

1. May not be causal
2. May be a result of environmental and social influences
3. Teachers may condescend due to physical immaturity, causing these characteristics

Question 12

Practical application

Answer 12

1. Research into Turners improves their life’s
2. Herlihy et al. 2011, study on 87 Australians showed those who have been diagnosed early were much better of than those diagnosed later on.
3. Increased awareness has practical application

Question 13

Unusual sample

Answer 13

1. Cannot generalise nature-nurture debate to population

2. Lots of influences can cannot just be isolated to their chromosomes