State 3 disadvantages of self-pollination


The process of transfer of pollen grains from the male anther of a flower to the female stigma of the same flower or another flower is called pollination.


It is the basic form of pollination because it only involves one flower. This type of pollination occurs when pollen grains from the anther fall directly onto the stigma of the same flower. Although this type of pollination is simple and quick, it does result in a reduction in genetic diversity because the sperm and egg cells of the same flower share genetic information.

Self Pollination

Advantages of self-pollination

The 3 disadvantages of self-pollination are as follows:

  • May lead to the weakening of variety or the species due to continued self-pollination, thereby affecting the quality of offspring
  • Defective or weaker characters of the variety or breed cannot be eliminated
  • Self-pollination does not yield new varieties, hence fewer chances of improvement in the subsequent generation.

Articles to Explore:

  1. Explain the difference between self-pollination and cross-pollination.
  2. Define pollination?

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