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一个数量性状的表现型值(P)是由支配该性状的基因型(G)与环境效应(E)共同作用的结果,G和E除了各自对P发挥作用外,还存在联合效应,即交互作用,三者的数量关系可用下式表示: P=G+E+G×E 若G和E彼此独立地作用于P,且E~N(0,δ~2)时,则有, P=G+E
The phenotypic value (P) of a quantitative trait is the result of the interaction between the genotype (G) that dominates the trait and the environmental effect (E). In addition to their respective effects on P, G and E also have a combined effect that interaction The relationship between the three quantities can be expressed as follows: P = G + E + G × E If G and E act on P independently of each other and E ~ N (0, δ ~ 2), then, P = G + E