nickLonebrownk nickLonebrownk
  • 02-05-2017
  • Biology
contestada

Why is a person who has Klinefelter's syndrome (XXY) a male, even though he has two X chromosomes in his cells?

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saturntech
saturntech saturntech
  • 02-05-2017
The Y chromosome is still present in his cells, and therefore is still male, despite the presence of two X chromosomes. The Y chromosome ultimately determines the person's sex. 
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