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11 years ago
Also how do the chromosome abnormality arise?
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11 years ago
45.  Only one sex chromosome, the X.  It´s caused by non-disjunction - failure of chromosomes to separate properly during cell division, but in either mitosis or meiosis, i´m not sure if it´s one of them or either.
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snelson5620snelson5620
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11 years ago
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