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In production, grafting is often used for vegetative propagation of fruit trees. The advantage of this reproduction is that it can (a) maintain the excellent characteristics of parents; Get new ones.
Grafting refers to grafting the bud or branch of one plant to another plant, so that the combined two parts grow into a complete plant. The process of combining sperm and eggs into fertilized eggs belongs to asexual reproduction, so the offspring generally do not mutate and can maintain the stability of excellent characters of grafted scions, while rootstocks generally do not affect the inheritance of scions. Cutting usually uses the stems of plants, which are inserted into the soil after treatment. In the process of developing into a new individual, there is no process of combining sperm and eggs to form fertilized eggs, which belongs to asexual reproduction, so offspring generally do not mutate and can maintain the excellent characters of their parents.

So choose: a

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