Question

How many division shall be required for formation of embryo sac from megaspore mother cell of polysonum?

Answer 1

4 divisions...................

Answer 2

Answer:

Three divisions are required for the formation of embryo sac from mega spore mother cell of polygonum.

Explanation:

The embryo of polygonum is seven celled but contain 8 nucleii.

This embryo sac is formed from mega spore mother cell. and is monosporic.

It contains 3 polar cells which nourish the embryo they are diploid.

three divisions are required for the formation of embryosac.