In Spirogyra,a ladder-like structure is forme | vedclass

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(D) In $Spirogyra$,sexual reproduction occurs through conjugation.Scalariform conjugation involves two filaments of $Spirogyra$ lying side by side.Pro

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Scalariform conjugation

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(D) In $Spirogyra$,sexual reproduction occurs through conjugation.Scalariform conjugation involves two filaments of $Spirogyra$ lying side by side.Protoplasmic bridges are formed between the cells of these two filaments,which look like the rungs of a ladder.This specific arrangement is called a ladder-like structure,hence the name scalariform (from the Latin 'scala' meaning ladder).

In $Spirogyra$,a ladder-like structure is formed during:

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