XXYY syndrome

noun

A sex chromosome anomaly in which a male has an extra X chromosome and an extra Y chromosome.

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Meanings

nounXXYY syndrome (uncountable)
  1. uncountableA sex chromosome anomaly in which a male has an extra X chromosome and an extra Y chromosome.
Cite this entry
APA

XXYY syndrome. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/XXYY%20syndrome

MLA

“XXYY syndrome.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/XXYY%20syndrome. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “XXYY syndrome,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/XXYY%20syndrome.

Source: XXYY syndrome on Wiktionary, CC BY-SA 4.0.