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Question

Biology Question on human reproduction

Individuals with karyotype of 44+XXY having overall masculine development with few feminine development like Gynaecomastia has _______ chromosomal disorder.

A

Klinefelter’s Syndrome

B

Turner's Syndrome

C

Down's Syndrome

D

Acquired Immuno Deficiency Syndrome

Answer

Klinefelter’s Syndrome

Explanation

Solution

The correct option is (A): Klinefelter’s Syndrome

Klinefelter’s Syndrome

  1. Klinefelter's syndrome is a genetic condition characterized by an additional X chromosome -XXY on the sex chromosome.
  2. Because of the additional X chromosome, estrogen secretion is high, resulting in sterility, but overall masculine development.