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Sporophyte


sporophyte
spore-bearing (asexual) generation in plants that exhibit alternation of generations
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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A sporophyte is the structure of plant or alga that has a diploid set of chromosomes. It is seen in all plants and in some algae.
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sporophyte -- The diploid stage in the life cycle of an organism undergoing an alternation of generations. The sporophyte is multicellular and develops from a zygote.
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Sporophyte. Diploid stage in the life cycle of a plant
Spring diatom increase. The major rapid population increase of diatoms, occurring in the spring in temperate-boreal latitudes ...
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sporophyte generation dependant on gametophyte generation for food; gametophyte is free-living and photosynthetic ...
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sporophyte
[Gk. spora, seed + phytos, growing]
The multicellular diploid form in organisms undergoing alternation of generations that results from a union of gametes and that meiotically produces haploid spores that grow into the gametophyte ...
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sporophyte The diploid, spore-producing plant in the alternation of generations; undergoes meiosis to produce the haploid spores.
sporoplasm Amebalike portion of a microsporan or myxosporan cyst that is infective to the next host.
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The Sporophyte Generation
The plant we recognize as a fern is the diploid sporophyte generation.
(Link to a general discussion of the alternation
of generations in all plants.) ...
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Rabe and Haufler (1992) found a naturally occurring diploid sporophyte of maidenhair fern which produced unreduced (2N) spores. These spores resulted from a failure of the paired chromosomes to dissociate during the first division of meiosis.
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This involves an alternation between two generations: a haploid stage, called the gametophyte, and a diploid stage, called the sporophyte. The sporophyte is short-lived and remains dependent on its parent.
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The alternation of gametophyte and sporophyte stages in the life cycle of a plant.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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