Question

How prothallus formed in ferns. Is it sporophytc or gametophytic plant body?
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Answer 1

Answer:

Alternation of generations

The fully grown sporophyte, what is commonly referred to as the fern, produces genetically unique spores in the sori by meiosis. The haploid spores fall from the sporophyte and germinate by mitosis, given the right conditions, into the gametophyte stage, the prothallus.