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YangWeicai 《中国科学院院刊(英文版)》2004,18(4):188-189
Most flowering plants arebisexual with both maleand female gametes onthe same individual or flower. Self-pollination or inbreeding often leadsto a gradual decline in geneticdiversity, which can cause the wholespecies to die off during evolution.To prevent inbreeding, some plantshave evolved self-incompatibility(SI) mechanisms to recognize andreject self pollen. In self-incompat-ible plants such as petunia and Anti-rrhinum (Figure 1), pollen from thesame plant or other plant with thesame geno… 相似文献
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