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प्रश्न
Which type of polyembryony involves diploid cells of the nucellus or integuments developing directly into embryos?
पर्याय
Cleavage Polyembryony
Adventive (Nucellar) Polyembryony
True Polyembryony
Multiple Embryo Sac Formation
MCQ
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उत्तर
Adventive (Nucellar) polyembryony involves diploid cells of the nucellus or integuments (sporophytic tissue) developing directly into embryos, bypassing fertilisation. This mechanism is also known as nucellar embryony. Examples include Citrus, Opuntia, and Mango, where the nucellar embryos often outcompete the zygotic embryo.
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