Question

define double fertilization ​

Answer 1

Answer: Fertilization characteristic of seed plants in which one sperm nucleus fuses with the egg nucleus to form an embryo and another fuses with polar nuclei to form endosperm.

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Answer 2

Explanation:

Double fertilization is a characteristic feature of flowering plants. In double fertilization, out of the two sperm nuclei, one sperm nucleus fuses with the egg nucleus to form an embryo. ... Since two kinds of fusion, syngamy and triple fusion take place, the process is known as double fertilizations