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Which of the following statements are correct about Klinefelter's Syndrome?

A. This disorder was first described by Langdon Down (1866).

B. Such an individual has overall masculine development. However, the feminine development is also expressed.

C. The affected individual is short statured.

D. Physical, psychomotor and mental development is retarded.

E. Such individuals are sterile.

Choose the correct answer from the options given below: 

BiologyPrinciples of Inheritance and VariationNEETNEET 2023 (All India)
Options:
  • A A and E only
  • B C and D only
  • C A and B only
  • D B and E only
Solution:
1794 Upvotes Verified Answer
The correct answer is: B and E only

Klinefelter’s Syndrome:

  • This genetic disorder is also caused due to the presence of an additional copy of X chromosome resulting into a karyotype of 47, XXY.
  • This is a trisomy of allosome.
  • 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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