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Which one of the following shows isogamy with non-flagellated gametes?
A
Sargassum
B
Ectocarpus
C
Ulothrix
D
Spirogyra
Detailed Solution
Spirogyra reproduces sexually by conjugation, in which the fusing gametes are similar in size (isogamy) and non-flagellated.
Ulothrix has flagellated isogametes, Ectocarpus has flagellated gametes and Sargassum is oogamous.
Ulothrix has flagellated isogametes, Ectocarpus has flagellated gametes and Sargassum is oogamous.