Nullizygous

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Carrying two mutant alleles for the same gene, both alleles being complete loss-of-function or "null" alleles. not-comparable

Etymology

From nulli- + -zygous.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.