Turner's syndrome

• 1 in 5000 females have Turners syndrome. It is caused by an absence of one of the 2 X chromosomes leading to 45 rather than 46 chromosomes
• Individuals with Turners syndrome have the following physical characteristics:

  • no menstrual cycle - ovaries fail to develop leaving them sterile
  • broad shield chest and no developing of breasts
  • low set ears and webbed neck
  • hips are not much bigger than the waist
• Psychological characteristics include:

  • higher than average reading ablity
  • lower than average performance on spatial, visual memory and mathematical tasks
  • tendency to be socially immature