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Question

Klinefelter's syndrome has chromosome arrangement

A
XX
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B
XXY
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C
XY
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D
XO
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Solution

The correct option is B XXY
Klinefelter syndrome is the condition when a male is having one or more extra X chromosomes. Human males have one Y and one X chromosome (XY). A male with Klinefelter's syndrome has sex chromosome arrangement of XXY/XXXY or XXXXY.

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