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Q.
Nucellar polyembryony occurs in
Rajasthan PMTRajasthan PMT 2009
Solution:
The additional embryos arising from the maternal sporophytic tissue, ie, outside the embryo sac (from nucellus or integuments) are called adventive embryo and the polyembryony as nucellar polyembryony, eg, Citrus, Mungifera, Opuntia, Trillium, etc.