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Question

A pregnant woman who has undergone amniocentesis test, finds an extra Barr body in her embryo. The syndrome which is likely to be associated with embryo is

A
Klinefelter's syndrome
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B
Down's syndrome
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C
Turner's syndrome
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D
Patau's syndrome
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Solution

The correct option is A Klinefelter's syndrome
Klinefelter syndrome is a sex chromosome disorder in boys and men that results from the presence of an extra X chromosome in cells. The presence of an extra Barr body is due to the presence of an extra X chromosome.

So, the correct answer is 'Klinefelter's syndrome'.

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