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NEET2019ZoologyPrinciples of Inheritance and VariationActual

The genetic disorder in which an individual has an overall masculine development, gynaecomastia and is sterile:

Options

  1. ATurner's syndrome
  2. BKlinefelter's syndrome
  3. CEdward syndrome
  4. DDown's syndrome

Correct answer

B. Klinefelter's syndrome

Step-by-step solution

This genetic disorder is also caused due to the presence of an additional copy of X-chromosome resulting into a karyotype of 47, XXY. Such an individual has overall masculine development, however, the feminine development (development of breast, i.e., Gynaecomastia) is also expressed. Such individuals are sterile.

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