The normal or Polygonum type of embryo sac is | vedclass

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(D) The $Polygonum$ type of embryo sac is the most common type of embryo sac found in angiosperms.It develops from a single functional megaspore,which

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Monosporic eight nucleate

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(D) The $Polygonum$ type of embryo sac is the most common type of embryo sac found in angiosperms.It develops from a single functional megaspore,which is why it is called $Monosporic$.During its development,the nucleus of the functional megaspore undergoes three successive free nuclear mitotic divisions,resulting in the formation of $8$ nuclei.Therefore,it is characterized as $Monosporic$ and $eight-nucleate$.

The normal or $Polygonum$ type of embryo sac is

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