Meaning XYY
What does XYY mean? Here you find 2 meanings of the word XYY. You can also add a definition of XYY yourself

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XYY


An extra Y chromosome in a male. See: XYY syndrome.
Source: medicinenet.com (offline)

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XYY


(n) (genetics) abnormal complement of sex hormones in a male who has two Y chromosomes
Source: beedictionary.com




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