ZZ-ZW system

A form of ZW system — A system for characterizing the sex of certain animals, such as butterflies and Komodo dragons, in which males have two of the same kind of sex cell (ZZ) and females have two distinct sex cells (ZW).

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Meanings

proper noun
  1. alternativeAlternative form of ZW system.
Cite this entry
APA

ZZ-ZW system. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ZZ-ZW%20system

MLA

“ZZ-ZW system.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ZZ-ZW%20system. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “ZZ-ZW system,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ZZ-ZW%20system.

Source: ZZ-ZW system on Wiktionary, CC BY-SA 4.0.