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What is the genetic condition in humans where an individual has an overall chromosomal number of 2n = 45 due to the loss of one sex chromosome?
- a)Klinefelter's syndrome
- b)Turner's syndrome
- c)Down's syndrome
- d)Edward's syndrome
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
What is the genetic condition in humans where an individual has an ove...
Turner's syndrome
Turner's syndrome is a genetic condition in humans where an individual has an overall chromosomal number of 2n = 45 due to the loss of one sex chromosome, specifically an X chromosome. This condition affects females and is characterized by a range of physical and developmental features.
Clinical features:
- Short stature
- Webbed neck
- Low hairline at the back of the neck
- Lymphedema (swelling due to fluid retention)
- Infertility
- Heart defects
- Kidney abnormalities
- Learning disabilities
Diagnosis:
Diagnosis of Turner's syndrome is usually made based on physical examination, medical history, and genetic testing. Karyotyping, a test that analyzes the chromosomes, can confirm the presence of only one X chromosome in affected individuals.
Treatment:
Treatment for Turner's syndrome aims to address specific symptoms and may include:
- Growth hormone therapy to increase height
- Estrogen replacement therapy for puberty and to promote secondary sexual characteristics
- Assisted reproductive technologies for infertility
- Cardiac monitoring and treatment for heart defects
Prognosis:
With appropriate medical care and support, individuals with Turner's syndrome can lead healthy and fulfilling lives. Early intervention and management of associated health issues are crucial for improving outcomes and quality of life.
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Community Answer
What is the genetic condition in humans where an individual has an ove...
- Turner's syndrome is characterized by a chromosomal condition in which a female is partially or completely missing an X chromosome, leading to a total chromosome number of 45 (2n = 45).
- This condition results in various developmental and physical abnormalities.
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What is the genetic condition in humans where an individual has an overall chromosomal number of 2n = 45 due to the loss of one sex chromosome?a)Klinefelters syndromeb)Turners syndromec)Downs syndromed)Edwards syndromeCorrect answer is option 'B'. Can you explain this answer?
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