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Segregation Analysis on Genetic System of Quantitative Traits in Plants |
| Gai Junyi |
| National Center for Soybean Improvement, Nanjing Agricultural University, Nanjing 210095, China; |
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Abstract Based on the traditional polygene inheritance model of quantitative traits, the author suggests the major gene and polygene mixed inheritance model. The model was considered as a general one, while the pure major gene and pure polygene inheritance model was a specific case of the general model. Based on the proposed theory, the author established the segregation analysis procedure to study the genetic system of quantitative traits of plants. At present, this procedure can be used to evaluate the genetic effect of individual major genes (up to two to three major genes), the collective genetic effect of polygene, and their heritability value. This paper introduces how to establish the procedure, its main achievements, and its applications. An example is given to illustrate the steps, methods, and effectiveness of the procedure.
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Issue Date: 05 March 2006
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