Q. Nucellar polyembryony occurs in

 1464  210 Rajasthan PMTRajasthan PMT 2009 Report Error

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.