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Questions and Answers
What is the typical sex chromosome configuration in individuals with Klinefelter syndrome?
What is the typical sex chromosome configuration in individuals with Klinefelter syndrome?
- XYY
- XY
- XXY (correct)
- XX
Which of the following is a common clinical feature in males with Klinefelter syndrome?
Which of the following is a common clinical feature in males with Klinefelter syndrome?
- Gynecomastia (correct)
- Increased fertility
- Short stature
- Testicular hypertrophy
Which of these physical characteristics is NOT typically associated with Klinefelter syndrome?
Which of these physical characteristics is NOT typically associated with Klinefelter syndrome?
- Poor beard growth
- Narrow shoulders
- Frontal baldness (correct)
- Longer limbs
What is the primary cause of the sterility observed in individuals with Klinefelter syndrome?
What is the primary cause of the sterility observed in individuals with Klinefelter syndrome?
Which procedure is often utilized to detect Klinefelter syndrome during prenatal testing?
Which procedure is often utilized to detect Klinefelter syndrome during prenatal testing?
Flashcards
Klinefelter Syndrome
Klinefelter Syndrome
A genetic condition in males caused by an extra X chromosome (XXY).
Sterility
Sterility
The absence of the ability to reproduce.
Testicular Atrophy
Testicular Atrophy
The shrinking and degeneration of the testicles.
Gynecomastia
Gynecomastia
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Amniocentesis
Amniocentesis
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Study Notes
Klinefelter Syndrome
- A genetic condition resulting from a boy being born with an extra copy of the X chromosome
- Often undiagnosed until adulthood
- Characterised by 47 chromosomes, with a sex chromosomal complement of XXY
- Clinical features include:
- Sterility
- Testicular atrophy
- Hyalinization of seminiferous tubules
- Longer limbs
- Gynecomastia (breast development)
- Reduced chest hair
- Narrow shoulders
- Wide hips
- Poor beard growth
- Frontal baldness (often absent)
- Usually detected by amniocentesis
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Description
Explore Klinefelter Syndrome, a genetic condition where a boy is born with an extra X chromosome, resulting in various physical and clinical features. This quiz covers the characteristics, diagnosis, and implications of the syndrome, as well as typical symptoms experienced by affected individuals.
