gametophyte

How To Use gametophyte In A Sentence

• The angiosperm female gametophyte, called the embryo sac, consists of four cell types: synergid, antipodal, egg, and central cell.
• The sporogonium is parasitic on the gametophyte generation.
• Figure 17.6 Key Haploid (n) Diploid (2 n) Egg (n) Zygote (2 n) Sperm (n) (released from male gametangium) Gametophyte (n) (underside) Fertilization Clusters of sporangia New sporophyte (2 n) growing out of gametophyte Mature sporophyte (independent of gametophyte) Recently Uploaded Slideshows
• When artificially divided small fragments of the gametophyte are found to be capable of growing into new individuals. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
• A few grains were seen which had shed the exine and released a circular microgametophyte, although the actual process was not observed.
• The alternation between haploid gametophyte and diploid sporophyte phases, known as alternation of generations, occurs in all multi-cellular plants.
• The egg cells and antherozoids are collectively known as gametes, and the generation of the moss plant that bears them is known as a gametophyte.
• In adventitious embryony, the embryo develops directly from nucellar or chalazal tissue without an intervening gametophyte stage.
• To expose gametophytes to particular photoperiodic conditions, the bagged Petri plates were placed in a light-tight box over which was installed the fluorescent source.
• During sexual megagametophytic development (with the embryo sac as the megagametophyte and the egg cell as megagamete), a sub-epidermal cell of the nucellus tissue differentiates into a megaspore-mother cell which undergoes meiosis I and II to form four megaspores.