double fertilization

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.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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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.

NCERT Solutions for Class 12 Biology

After double fertilization the proembryo developed into a mature embryo going through the clavate globular heart torpedo and cotyledon stages.

Megasporogenesis and development of female gametophyte in Chinese chestnut (Castanea mollissima) cultivar Yanshanzaofeng'

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.

Plant reproduction & the pollen tube journey--how the females lure the males

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