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fertilization

fertilization Fertilization is the process in sexual reproduction in which two reproductive cells unite, typically the ovum and the spermatozoon in animals.

Fertilization is the process in sexual reproduction in which two reproductive cells unite, typically the ovum and the spermatozoon in animals. In plants, it refers to the transfer of pollen to the stigma; in this historical source, the process is discussed in relation to cell theory and ideas about development and heredity.