Biology, asked by harshitsingh262, 1 year ago

how secondary nucleus formed

Answers

Answered by arvindsharma40

3

by fusion of two nucleii.....dedcription in double fertilization

Answered by riya7724

4

The 2 sperm nuclei enter the embryo sac. One unites with the egg nucleus to form the zygote, which develops into the embryo. The other unites with both of the polar nuclei or with the secondary (definitive) nucleus formed by their fusion, to form the primary endosperm nucleus, from which the endosperm develops.

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