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Which one of the following shows isogamy with nonflagellated gametes?
Option: 1
Sargassum
Option: 2
Ectocarpus
Option: 3
Spirogyra
Option: 4
Chara
Answers (1)
Sexual reproduction Algae takes place through fusion of two gametes. It can be of following types:
1. Isogamous- Fusion of two gametes of similar in size, either flagellated or non-flagellated.
Eg., Chlamydomonas(gametes are flagellated and similar in size) , (gametes are non-flagellated and similar in size).
2. Anisogamous- Fusion of two gametes of disimilar in sizSpirogyra e.
Eg., Some species of Chlamydomonas, Ectocarpus secundus.
3. Oogamous- Fusion of small motile male gamete and large non-motile female gamete.
Eg., Volvox, Fucus, Ectocarpus, Chara.
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