complementary gene


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Related to complementary gene: supplementary gene

complementary gene

either member of two or more nonallelic gene pairs that interact to produce an effect not expressed in the absence of any of the pairs. Also called reciprocal gene.
References in periodicals archive ?
The mutation distribution in the complementary gene was roughly the same as that observed in unrelated healthy individuals, indicating that there is no association of alleles containing CYP2D6 gene duplications with a determined mutation in the complementary chromosome.
Onco genes make cells divide uncontrollably, which causes cancer, and the biggest efforts in gene therapy are targeted around developing complementary genes to "knock out" oncos.
Postzygotic isolation in plants also involves complementary gene action (ignoring polyploid speciation): complementary factors causing inviability of hybrids between species or varieties are known in Crepis, cotton, rice, barley, wheat, and Mimulus (reviewed in Thompson 1986; Orr 1995).
Our results show that it is impossible to assess how population structure affects the time required for the evolution of postzygotic isolation without considering the mechanics of complementary gene action.
Intuitively, it might seem that this result holds for "simple" substitutions only, not for alleles involved in complementary gene interactions.
We recognize that additive gene effects, as well as dominance effects and complementary gene interactions, are important for improving alfalfa forage yields.
Resistance to pathotype NCJ/BN conferred by this complementary gene pair was clearly expressed in the SSD lines only with the 14-d seedling inoculation.
Pooling into three disease classes indicated a 4 (IT ;) : 1 (IT X) : 3 (IT 3 +) ratio (Table 2) consistent with IT; being epistatic over IT X (a mesothetic or mixed infection type) and the latter IT being conferred by a pair of complementary genes.
The resistance to CYR18 is determined by three recessive complementary genes, and to 2E16 is also controlled by three recessive complementary genes.
50), indicating that the resistance in Early Premium to 2E16 was controlled by three recessive complementary genes.
Accumulation of Complementary Genes and Implications for Plant Breeding
To accumulate complementary genes into one strain, two crossing designs can be used, single crossing and multiple crossing.

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