Seedless fruits can be created from plants that are not fertilized by pollination, a phenomenon known as parthenocarpy. The banana is an example of being parthenacarpic, producing fruit in the absence of successful fertilization. Alternatively, some seedless fruits can be produced from plants that have been pollinated but do not develop mature seeds.
Fruit cultivars may also create seedless fruits by cross-breeding a normal male fruit tree with a female fruit tree that contains extra chromosomes. The results are infertile offspring incapable of producing seeds. Seedless watermelons and grapes are generally cultivated using this technique.
In fact, farmers prefer propagating their fruits asexually through cutting or grafting so that the offspring will be identical to their parents, sharing desirable characteristics such as larger, higher quality fruits that are of course seedless. The nutritional difference between a seedless fruit and a seeded fruit is quite negligible. There are no known risks associated with consuming seedless fruits.
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