ATYPICAL SEX CHROMOSOME PATTERNS

  • Created by: rosannaaa
  • Created on: 19-03-18 21:15
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  • ATYPICAL SEX CHROMOSOMES PATTERN
    • KLINEFELTERS SYNDROME
      • Long, gangly limbs
      • Reduced body hair
      • Underdeveloped genitals
      • Co-ordination problems and general clumsiness
      • Individuals who have this are biologicsl males with the anatomical appearance of a man and have an additional X chromosome.
      • Affects 1 in 500 people and 1 in 1000 people
      • Sufferers tend to be passive, shy and lack interest in sexual activity.
      • Often linked to poorly developed language and reading skills
      • Softening/rounding of body contours
      • Their sex chromosome structure is XXY.
      • Breast development (Gynecomastia)
    • TURNERS SYNDROME
      • Low set ears and a webbed neck.
      • Do not develop breasts at puberty and have a broad shield chest
        • 1 in 5000 biological females have Turners Syndrome
      • Caused by absence of one of the two alotted chromosomes - referred to as X0.
      • Higher than average reading ability
      • Do not have a menstrual cycle
      • Performance on spatial, visual memory and mathematical tasks are lower than normal.
      • This means that affected individuals have 45 chromosomes rather than 46.
      • High waist to hip ratio
      • Physically immature

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