nickLonebrownk nickLonebrownk

02-05-2017
Biology

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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

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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