Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 28 - The Evolution of Seed Plants - 28.3 - Flowers and Fruits Led to Increased Diversification of Angiosperms - 28.3 Recap - Learning Outcomes - Page 609: 2

Answer

The nucleus of the first sperm cell combines with the egg nucleus to form a diploid zygote, which represents the first cell of the sporophyte generation. The second sperm nucleus fuses with two other haploid nuclei of the female gametophyte to produce a cell with a triploid endosperm, which nourishes the embryo during development.

Work Step by Step

The nucleus of the first sperm cell combines with the egg nucleus to form a diploid zygote, which represents the first cell of the sporophyte generation. The second sperm nucleus fuses with two other haploid nuclei of the female gametophyte to produce a cell with a triploid endosperm, which nourishes the embryo during development.
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