Triple X Syndrome Overview
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Questions and Answers

What is the primary genetic cause of Triple X syndrome?

  • A mutation on chromosome 21.
  • A deletion of an X chromosome.
  • An extra X chromosome. (correct)
  • An extra Y chromosome.
  • What is the approximate prevalence of Triple X syndrome in females?

  • 1 in 1,000 (correct)
  • 1 in 500
  • 1 in 100
  • 1 in 10,000
  • Which of the following is a characteristic symptom commonly associated with Triple X syndrome?

  • Extremely pronounced physical abnormalities.
  • Excessive height and accelerated development.
  • Absence of any menstruation.
  • Difficulties with speech and self-esteem. (correct)
  • What does a karyotype of someone with Triple X syndrome show?

    <p>47 chromosomes with an extra X chromosome.</p> Signup and view all the answers

    Besides speech and self-esteem, what is another possible challenge that girls with Triple X syndrome might experience?

    <p>Infantilism and scanty menstruation.</p> Signup and view all the answers

    Study Notes

    Triple X Syndrome

    • Caused by an extra X chromosome (47,XXX) in either the oocyte or sperm.
    • Affects approximately 1 in 1,000 females.
    • Many individuals with triple X syndrome experience no or only mild symptoms.
    • Affected individuals may present as infantile with scant menstruation and some degree of mental retardation.
    • Often undiagnosed due to mild physical characteristics.
    • Girls with this condition frequently experience difficulties with speech and self-esteem.

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    Description

    This quiz explores Triple X Syndrome, which is caused by the presence of an extra X chromosome. It affects roughly 1 in 1,000 females and often goes undiagnosed due to its mild symptoms. The quiz covers the causes, symptoms, and challenges faced by individuals with this condition.

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