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Posted

I understand the sex chromosomes and the significance of the extra X making the 47xxy karyotype. but I don't understand why the 1st set of 22 autosomes are divided into 1 and 21. Can you help me? I'm doing a report on Klinefelter syndrome for nursing school and I found this graphic but it confused me on the autosomes.


esquemakline.gif

Posted

It's probably just showing a normal two chromosomes to compare that the sex chromosomes are abnormal. Without context, though, that's solely a guess.

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