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At which stage one can distinguish between nuclear and cellular type of endosperm?
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In the nuclear type of endosperm, the first division of the primary endosperm nucleus and few subsequent nuclear divisions are not accompanied by wall formation. The nuclei produced are free in the cytoplasm of the embryo sac and they may remain free indefinitely or wall formation takes place later.
In the cellular type of endosperm, there is cytokinesis after each nuclear division of the endosperm nucleus. The endosperm, thus, has a cellular form, from the very beginning because first and subsequent divisions are all accompanied by wall formation.
So, the correct option is 'Stage following division of primary endosperm nucleus'.
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| Question Text | At which stage one can distinguish between nuclear and cellular type of endosperm? |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
