double fertilization


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double fertilization

n.
The union in flowering plants of two sperm nuclei with three nuclei in the embryo sac. One sperm nucleus unites with the egg to form a diploid zygote, and the other unites with two polar nuclei to form the triploid, primary endosperm nucleus.
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Therefore, flowering plants have evolved a unique and complex fertilization procedure that culminates in double fertilization of egg and central cell and is followed by seed development.
Nawaschin, the discoverer of double fertilization in angiosperms and the work he stimulated, researchers with/influenced by the Department of Embryology and Reproductive Biology, Komarov Botanical Institute, Russian Academy of Sciences, treat plant processes now controllable by plant breeders due to new hypotheses, data, technologies, and methods.
This fertilization of the two female cells by the two male cells, called double fertilization, is critical to creating the crops that keep us healthy and well fed.