Cellular type - endosperm, Biology

Cellular Type - Endosperm

In this type, as the name indicates, the division of the primary endosperm nucleus is immediately followed by the laying down of a wall, which is usually transverse but may be sometimes vertical or oblique. Subsequent nuclear divisions are immediately followed by wall formation. As a result the embryo sac contains cellular endosperm from the very beginning and no free nuclear stage occurs.

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Figure: Cellular Type

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