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Isogamy occurs in algae such as Chlamydomonas. Which of the following is correct?

1. Isogamy of motile cells
2. Isogamy of non-motile cells
3. Chlamydomonas has haplontic life cycle hence shows zygotic meiosis
4. Ectocarpus exhibits haplodiplontic life cycle while Fucus has diplontic life cycle

Correct answer: Isogamy of motile cells

Solution

Isogamy means fusion of gametes that are similar in size and form. In Chlamydomonas, these gametes are motile, so the correct statement is isogamy of motile cells.

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