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Klinefelter's syndrome is due to sex com...

Klinefelter's syndrome is due to sex complement of

A

XO

B

XY

C

XXY

D

XYY

Text Solution

AI Generated Solution

The correct Answer is:
### Step-by-Step Solution: 1. **Understanding Klinefelter's Syndrome**: Klinefelter's syndrome is a genetic condition that affects males. It is characterized by the presence of an extra X chromosome. 2. **Normal Chromosomal Composition**: Typically, human males have one X and one Y chromosome (XY), while females have two X chromosomes (XX). 3. **Identifying the Genetic Makeup**: In Klinefelter's syndrome, males have an additional X chromosome, leading to a chromosomal composition of XXY. 4. **Evaluating the Options**: - **XO**: This is a condition associated with Turner syndrome, which affects females and is not applicable to males. - **XY**: This represents the normal male chromosomal pattern and does not indicate Klinefelter's syndrome. - **XXY**: This is the chromosomal pattern associated with Klinefelter's syndrome, confirming the presence of an extra X chromosome. - **XYY**: This condition is known as Jacob's syndrome and does not relate to Klinefelter's syndrome. 5. **Conclusion**: The correct answer to the question is XXY, as this is the sex complement associated with Klinefelter's syndrome. ### Final Answer: Klinefelter's syndrome is due to the sex complement of **XXY**. ---
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