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A--What do you get if you add the number of maternal
chromosomesin a somatic cell to the number of autosomes in a sex
cell, thensubtract the number of Barr bodies in a somatic cell of a
personwith kleinfelter's syndrome?

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Answer:

• Men with Klinefelter's syndrome have an extra X chromosome.

• Of the 23 pairs of chromosomes, one pair is called the sex chromosomes because they determine a person's sex. One sex chromosome is inherited from the mother and the other from the father. Mothers always pass on an X chromosome, but fathers can pass on an X or a Y chromosome. -

•The normal male chromosome arrangement is 46XY, but men with Klinefelter's syndrome have 47XXY. The extra X chromosome can come from either parent.

Explanation:

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