phenocopyn.
/ˈfiːnə(ʊ)ˌkɒpi/, /ˈfɛnə(ʊ)ˌkɒpi/, U.S. /ˈfinoʊˌkɑpi/, /ˈfɛnoʊˌkɑpi/ Biology.
An individual showing features which are characteristic of a genotype other than its own (esp. of a particular abnormal mutant), but have been produced environmentally rather than genetically.
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the world > life > biology > biological processes > genetic activity > genetic constitution > [noun] > phenotype
phenotype1910
phenocopy1938
phenotyping1952
1938 R. Goldschmidt Physiol. Genetics ii. 14 The production of phenocopies in Drosophila succeeded only if the temperature shock was applied at a definite time in development, the sensitive period.
1947 Amer. Naturalist 81 30 Silver calls forth the phenocopy of the types yellow or straw; antimony—the phenocopies of the bordeaux or brown types and some other manifestations.
1971 D. J. Cove Genetics xii. 172 A wild-type organism which has been subjected to such a heat treatment may develop so that it resembles closely an organism with a particular mutation. These environmentally induced abnormal organisms are called phenocopies.
1990 Brain 113 380 One of the cases with adult onset dystonia had an affected grandmother, but the majority of these cases were thought to be nongenetic phenocopies.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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n.1938