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25 Μαρ 2018 · The gametophyte of ferns is a cellular monolayer structure, whose more important function is to form the gametes, responsible of sexual fusion that will lead to sporophyte generation.
25 Μαρ 2018 · The gametophyte of ferns is a cellular monolayer structure, whose more important function is to form the gametes, responsible of sexual fusion that will lead to sporophyte generation. In most cases, as sporophyte develops, the gametophyte is about to disappear,...
1.3 The Gametophyte: Born to Reproduce Either Sexually or Asexually During its life cycle, a fern exists in two distinct forms: the small, sample, haploid gametophyte and the large, morphologically complex, diploid sporophyte. In ferns, the gametophyte lives separately from sporophyte (Klekowski and Baker 1966;
1 Ιουλ 1999 · The fern gametophyte has interested plant biologists for the past century because its structure and development is simple and amenable to investigation.
11 Σεπ 2009 · In ferns, the function of gametogenesis is to construct two specialized reproductive cells, the spermatozoid (sperm), produced by the antheridium and the egg, produced by the archegonium. Fertilization involves the union of the sperm with the egg which is generally housed in a privileged location in the archegonium.
The fern life cycle includes a haploid gametophyte that is independent of the sporophyte and functions to produce the gametes. In homosporous ferns, the sex of the gametophyte is not fixed but can vary depending on its social environment.
fern gametophyte ecology and highlight the methodological field and laboratory approaches used to describe the geographic and ecological distribution of fern gameto-phytes. We then present an overview of fern gametophyte physiology, with an emphasis on the aspects of carbon and water relations that may underlie the geographic and
