The above-mentioned results indicate that the formation of autopolyploid and allopolyploid may be related to the level of inbreeding depression.

上述研究结果预示同源和异源多倍体的形成可能与其近交衰退的水平有关。

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Inbreeding depression is the decrease of offspring fitness after inbreeding and is one of the primary forces selecting against the evolution of self-fertilization.

近交衰退指近交个体的适合度相对下降的现象，它是近亲繁殖的主要障碍。

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Inbreeding depression is the decrease of offspring fitness after inbreeding and is one of the primary forces selecting against the evolution of self-fertilization.

近交衰退指近交个体的适合度相对下降的现象，它是近亲繁殖的主要障碍。

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