gametophyte

n. gamete-producing phase in the life cycle of a plant

In plants that undergo alternation of generations, a gametophyte is the structure, or phase of life, that contains only half of the total complement of chromosomes:The sporophyte produces spores, in a process called meiosis. These spores develop into a gametophyte. These spores and the resulting gametophyte have only half of the total complement of chromosomes.The gametophyte produces male or female gametes (or both), in a process called mitosis. The fusion of male and female gametes produces a zygote which develops into the sporophyte.
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Noun
1. the gamete-producing individual or phase in the life cycle of a plant having alternation of generations
(hypernym) plant, flora, plant life
(hyponym) megagametophyte

The haploid, gamete-forming (sexual) generation in plants with alternation of generations. Typically it is produced from a haploid spore. See also sporophyte.

gametophyte /gə'mi:təfait/
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