Question

Zygotic meiosis is characteristic of

• A. Marchantia
• B. Fucus
• C. Funaria
• D. Chlamydomonas

Answer 1

The correct option is D

Chlamydomonas

The correct option is D

Explanation of the correct option:

1. In zygotic meiosis, meiotic division happens in zygote resulting in the development of haploid individuals.
2. Many algae have a haplontic life cycle.
3. The zygote is the only diploid cell, which represents the sporophyte.
4. Meiosis occurs in the zygote to give rise to spores, which germinate into the haploid gametophyte.
5. Examples include Spirogyra, Volvox and some species of Chlamydomonas.

Explanation of the incorrect options:

Option A:

1. Marchantia is a genus of liverworts that does not show zygotic meiosis.

Option B:

1. Fucus is a genus of brown algae that does not show zygotic meiosis.

Option C:

1. Funaria is a genus of moss that does not show zygotic meiosis.

Final answer: Zygotic meiosis is characteristic of Chlamydomonas.