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A man is sterile due to improper develop...

A man is sterile due to improper development of testis which has an additional X chromosome. He's suffering from
(a) Turner 's syndrome
(b) Huntington 's disease
(c) Klinefelter's syndrome
(d) Marfan's syndrome

A

Turner 's syndrome

B

Huntington 's disease

C

Klinefelter's syndrome

D

Marfan's syndrome

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the condition of a man who is sterile due to improper development of the testis and has an additional X chromosome, we will analyze each option provided. ### Step-by-Step Solution: 1. **Understand the Symptoms**: The question states that the man is sterile and has improper development of the testis, which indicates a problem related to male reproductive health. The presence of an additional X chromosome suggests a chromosomal abnormality. 2. **Identify the Chromosomal Makeup**: The presence of an additional X chromosome in a male indicates a genotype of XXY. This is a key factor in identifying the correct syndrome. 3. **Evaluate Each Option**: - **(a) Turner’s Syndrome**: This condition is characterized by the presence of a single X chromosome (XO) in females, leading to various developmental issues. It does not apply to males and does not involve an additional X chromosome. **(Incorrect)** - **(b) Huntington’s Disease**: This is a genetic disorder that affects the nervous system and is not related to the development of the testis or chromosomal abnormalities. It does not involve the X chromosome. **(Incorrect)** - **(c) Klinefelter’s Syndrome**: This condition occurs in males who have an extra X chromosome (XXY). It is associated with sterility, improper testis development, low testosterone levels, and other features such as reduced muscle mass and less body hair. This matches the symptoms described in the question. **(Correct)** - **(d) Marfan’s Syndrome**: This is a connective tissue disorder that does not affect the reproductive system or involve chromosomal abnormalities related to sex chromosomes. **(Incorrect)** 4. **Conclusion**: Based on the evaluation, the correct answer is (c) Klinefelter’s syndrome, as it directly correlates with the symptoms of sterility and the presence of an additional X chromosome in a male. ### Final Answer: (c) Klinefelter's syndrome
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