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What is Barr body?...

What is Barr body?

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A Barr body is a small darkly stained mass of X-chromosome, which is inactive and is found only in the female cells. Out of the two X-chromosomes in females, only one is functional and the other remains as Barr body.
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Knowledge Check

  • Which of the following genotype of man shows presence of one Barr body ?

    A
    XY
    B
    XXYY
    C
    XXY
    D
    All of these

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