The orange allele (O) is co-dominant with nonorange (o). Thus, cats with a mosaic coat of both orange and nonorange (Oo) must have two X chromosomes, which means tortoiseshell cats are almost always female.
Source: wiktionary
Nonorange
Synonyms for "nonorange"
Ranked by relevance and common usage.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Sample sentences
1 total sentences available.
Keep exploring
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.