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Sporophyte

sporophyte

spore producing plant generation. The dominant generation in pteridophytes and higher plants and alternates with the gametophyte generation.


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alternation of generations in mosses/ferns (haploid/diploid)

every plant has the gametophyte, the haploid stage that gives rise to gametes, and the sporophyte, the diploid stage that gives rise to spores. In mosses, the actual plant that you see is the gamethophyte, whereas the sporophyte is just the thing that looks somewhat ...

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by MrMistery
Wed Apr 22, 2009 1:54 pm
 
Forum: Botany Discussion
Topic: alternation of generations in mosses/ferns (haploid/diploid)
Replies: 2
Views: 903

alternation of generations in mosses/ferns (haploid/diploid)

Im being told that gametophyte;haploid is the largest stage in of alternation of generations in mosses, and ferns its sporophyte; diploid, Im pretty thoroughly confused.. I thought they were basicly the same plant because they reproduce through spores and they are vascular, I feel ...

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by Twila
Wed Apr 22, 2009 1:28 pm
 
Forum: Botany Discussion
Topic: alternation of generations in mosses/ferns (haploid/diploid)
Replies: 2
Views: 903

Re: Alternation of generation

Yes, angiosperms go through the alternation of generations. The primary stage is the sporophyte with an incredibly small, nutritionally dependent gametophyte stage that is located in the flower. Check out this link for a full diagram and explanation: http://ecology.botany.ufl.edu/ecologyf03/apomixis.html ...

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by sagda
Thu Jan 29, 2009 5:10 pm
 
Forum: Botany Discussion
Topic: Alternation of generation
Replies: 6
Views: 2305

Re: Alternation of generation

Yes, angiosperms go through the alternation of generations. The primary stage is the sporophyte with an incredibly small, nutritionally dependent gametophyte stage that is located in the flower. Check out this link for a full diagram and explanation: http://ecology.botany.ufl.edu/ecologyf03/apomixis.html

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by plasmodesmata11
Mon Jan 26, 2009 11:04 pm
 
Forum: Botany Discussion
Topic: Alternation of generation
Replies: 6
Views: 2305

Re:

In mosses the sporophyte is a parasite on the gametophyte which is the actual plant you see. I see, so that's why the moss sporophyte is brown? Thank you for your reply!

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by vertciel
Sat Apr 19, 2008 11:48 pm
 
Forum: Botany Discussion
Topic: Sporophytes of Mosses and Ferns
Replies: 4
Views: 1673
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