Podcast
Questions and Answers
What is the typical sex chromosome complement in individuals with Klinefelter syndrome?
What is the typical sex chromosome complement in individuals with Klinefelter syndrome?
- XYY
- XXY (correct)
- XX
- XY
Which of the following is NOT a typical clinical feature of Klinefelter syndrome?
Which of the following is NOT a typical clinical feature of Klinefelter syndrome?
- Sterility
- Testicular atrophy
- Gynecomastia
- Shortened limbs (correct)
Which of the following physical characteristics is commonly observed in individuals with Klinefelter syndrome?
Which of the following physical characteristics is commonly observed in individuals with Klinefelter syndrome?
- Breast development (correct)
- Extensive chest hair growth
- Frontal baldness
- Narrow hips
How many chromosomes do the cells of a male with Klinefelter syndrome typically contain?
How many chromosomes do the cells of a male with Klinefelter syndrome typically contain?
Which prenatal diagnostic procedure is commonly used to detect Klinefelter syndrome?
Which prenatal diagnostic procedure is commonly used to detect Klinefelter syndrome?
Flashcards
What is Klinefelter Syndrome?
What is Klinefelter Syndrome?
Klinefelter syndrome is a genetic condition affecting males, where an extra X chromosome is present (XXY).
What is the primary symptom of Klinefelter Syndrome?
What is the primary symptom of Klinefelter Syndrome?
The most common symptom of Klinefelter syndrome is infertility due to underdeveloped testes.
When is Klinefelter Syndrome typically diagnosed?
When is Klinefelter Syndrome typically diagnosed?
Klinefelter syndrome often goes unnoticed until adulthood.
What are some physical characteristics of Klinefelter Syndrome?
What are some physical characteristics of Klinefelter Syndrome?
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How is Klinefelter Syndrome diagnosed?
How is Klinefelter Syndrome diagnosed?
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Study Notes
Klinefelter Syndrome
- Klinefelter syndrome is a genetic condition arising from a boy being born with an extra X chromosome.
- It's often not diagnosed until adulthood.
- Affected individuals have 47 chromosomes with an XXY sex chromosomal complement.
- Clinical features, present only in males, include sterility and testicular atrophy.
- Hyalinization of the seminiferous tubules, longer limbs, and gynecomastia may also be present.
- This syndrome is frequently detected via amniocentesis.
- Physical characteristics include:
- Absent frontal baldness
- Fewer chest hairs
- Breast development
- Female-type pubic hair
- Narrow shoulders
- Wide hips
- Small testicles
- Poor beard growth
- Long arms and legs
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Description
This quiz covers the genetic condition known as Klinefelter syndrome, which results from an extra X chromosome in males. It explores the clinical features, physical characteristics, and diagnosis methods of this syndrome. Understanding Klinefelter syndrome is crucial for recognizing its impacts on affected individuals.
