Question

Does alternation of generations occur in all plants?

Answer 1

Alternation of generation:

1. Alternation of generation is also known as metagenesis.
2. It is the alternation of sexual and asexual phases in the life cycle of a plant.
3. In most plants, alternation of generation is common.
4. Here sexual phase or gametophyte generation produces sex cells and asexual or sporophyte generation produces spores.
5. In non-vascular plants such as bryophytes, gametophyte phase is dominant
6. Plants which are pteridophytes, gymnosperms, and angiosperms have dominant sporophyte phase.