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Which disorder is caused in man by the ...

Which disorder is caused in man by the presence of one extra sex chromosome?

Text Solution

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Klinefelter's syndrome
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Knowledge Check

  • Absence of one sex chromosome causes

    A
    Turner's syndrome
    B
    Klinefelter's syndrome
    C
    Down's syndrome
    D
    Tay-Sach's syndrome

  • Assertion :- Gynacomastia is observed in Turner's syndrome. Teason :- Such a disorder is caused due to the presence of eaxtra copy of X-chromosome.

    A
    If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
    B
    If both Assertion & Reason are trur but Reason is not a correct explanation of the Assertion.
    C
    If Assertion is True but the Reason is Flase.
    D
    If both Assertion & Reason are false.

  • The symptoms of a genetic order are short- statured with a small round head , furrowed tongue and partially open mouth. Such a genetic disorder is characterized by the presence of an extra chromosome number ………..

    A
    20
    B
    21
    C
    17
    D
    23

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