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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Here you get the all the syllabus step by step complete chapter and highlighted the all important topics like Modes of asexual reproduction, Pre-fertilization Events, Inbreeding depression, Double fertilization, Gametogenesis, Fertilization and Events of Pregnancy, Post-Mendelian Genetics, Hardy-Weinberg principle etc.
After double fertilization the proembryo developed into a mature embryo going through the clavate globular heart torpedo and cotyledon stages.
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.