In the functional megaspore,the nuclei formed | vedclass

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(B) In the development of the female gametophyte (embryo sac) from a functional megaspore,the nucleus undergoes free nuclear divisions.$1$. The nucleu

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First mitosis

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(B) In the development of the female gametophyte (embryo sac) from a functional megaspore,the nucleus undergoes free nuclear divisions.$1$. The nucleus of the functional megaspore divides by mitosis to form two nuclei,which move to opposite poles,forming the $2-$nucleate embryo sac.$2$. This is followed by two more successive mitotic divisions,leading to $4-$nucleate and then $8-$nucleate stages.$3$. Therefore,the movement of nuclei towards opposite poles occurs after the first mitotic division.

In the functional megaspore,the nuclei formed after ......... move towards opposite poles.

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