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Zygotic meiosis occur in which


Anchal Chauhan 1st Mar, 2025
Answers (2)

Zygotic meiosis occurs in organisms with a haplontic life cycle, primarily in fungi, some algae (such as Spirogyra and Chlamydomonas), and certain protists.


How It Works:


1. Fertilization produces a diploid zygote.



2. The zygote undergoes meiosis immediately, forming haploid cells.

3. These haploid cells grow into the dominant haploid generation.

This type of meiosis ensures that the organism's main life stage remains haploid, unlike diplontic organisms (e.g., humans) where meiosis occurs during gamete formation.

Prachi Kumari 2nd Mar, 2025

Hello,

Zygotic meiosis occurs in:

  1. Fungi – Most fungi exhibit zygotic meiosis, especially in their haplontic life cycle.
  2. Algae – Some groups of algae, like certain green algae (Chlorophyta), undergo zygotic meiosis.
  3. Protozoa – Some protozoans, particularly in their reproductive cycles, show zygotic meiosis.
  4. Haplontic Organisms – Organisms with a haplontic life cycle exhibit zygotic meiosis, where the zygote undergoes meiosis immediately after formation.
  5. Example Species – Spirogyra and Chlamydomonas show zygotic meiosis.

This type of meiosis produces haploid cells, which grow into the dominant generation.

Hope you find it useful !

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