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Klinefelter Syndrome

The genotype ...

Question

The genotype of a person with Turner's syndrome will be

A

44 A +

XXY

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B

44 A +

XYY

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C

44 A +

XO

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D

44 A +

XXYY

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Solution

The correct option is D $44 A +$ XO
In normal individuals, there is XX chromosome in the females and XY chromosome in the males. In case of Turner's syndrome, there is one chromosome absent. These individuals have only one X chromosome and the other sex chromosome is missing. The genotype of these individuals is 44 A + XO. This may be due to non-disjunction of chromosomes during the gamete formation.
Thus, the correct answer is option C.

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