pseudofunctionalization

noun

A deleterious mutation that does not actually add function

Scrabble 40
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Meanings

nounpseudofunctionalization (uncountable)
  1. uncountablebiologyA deleterious mutation that does not actually add function

    One such selection fate was the pseudofunctionalization of the duplicate [49 ].

    2016 March 4, “Characterization of the Fatty Acid Desaturase Genes in Cucumber: Structure, Phylogeny, and Expression Patterns”, in PLOS ONE, →DOI

Origin

From pseudo- + functionalization.

Full word history & related roots →
Cite this entry
APA

pseudofunctionalization. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/pseudofunctionalization

MLA

“pseudofunctionalization.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pseudofunctionalization. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “pseudofunctionalization,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/pseudofunctionalization.

Source: pseudofunctionalization on Wiktionary, CC BY-SA 4.0.