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Biology · PYQ NEET UG 2019(1)

हिन्दी

What is the genetic disorder in which an individual has an overall masculine development, gynaecomastia, and is sterile?

  1. Edward syndrome
  2. Down's syndrome
  3. Turner's syndrome
  4. Klinefelter's syndrome

Correct answer · Option 4

Klinefelter's syndrome

Explanation

Klinefelter's syndrome is caused by an extra X chromosome (\( 47, \text{XXY} \)), leading to masculine development with feminizing characteristics like gynaecomastia and sterility.

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