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The gametophyte begins as a single-celled spore that germinate into a multicellular life stage. This mature gametophyte life stage is haploid and by mitosis (division of cells with identical genetic information) produces gametes. These gametes are either egg or sperm cells.
Feb 19, 2022
Meiosis within the capsule of the sporophyte yields haploid spores that are released and eventually germinate to form a male or female gametophyte. Ferns ...
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Spore germination is poor in A. bisporus, and about 70% of the spores are self-fertile, due to the presence of nuclei of both the mating types in a usually ...
Haploid spores germinate giving rise to a filamentous tissue, the protonema. On these tissues leafy gametophores may develop, closely resembling the morphology ...
The resulting haploid spores germinate and grow into multicellular haploid gametophytes. At maturity, a gametophyte produces gametes by mitosis, the normal ...
Ferns and horsetails have two free-living generations: a diploid sporophyte generation (spore-producing plant) and; a haploid gametophyte generation ...
Jun 13, 2020 · If a spore lands in a favorable environment, it may germinate and grow into another type of plant, the gametophyte. In many ferns, the ...
The sporophyte can produce haploid spores by meiosis that on germination produce a new generation of gametophytes. Several gametophytes growing in a terrarium ...
Jul 3, 2022 · The haploid spores formed due to the meiotic division in sporangia give rise to inconspicuoulsy small, multicellular, free living thalloid ...
The spores germinate (divide) to form multicellular haploid gametophytes ... This is apparent because both the spores and gametophyte are haploid. When cells ...