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Heterosporous

Heterosprous: produces both microspore and megaspores.


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Plant physiology question

... I'm assuming that there would be 16 chromosomes. However, I'm uncertain about what the genotypes would be. I'm thinking that it would be Aa (heterosporous) for the sporophyte, sporangium sac in the sori, resulting spore mother cell, and cells that make up rhizoids since they are all in the ...

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by inglej
Tue Apr 03, 2012 5:41 am
 
Forum: General Discussion
Topic: Plant physiology question
Replies: 0
Views: 1427

Plant differences, wind pollination, etc.

... each characteristic you have listed. some other examples: higher plants vs lower plants cryptogams vs phanerogams (Spermatophytes) homosporous vs heterosporous unicellular vs multicellular Which two families produce edible fruit? As for me there are three: Asteraceae (for example sunflower Helianthus ...

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by SU_reptile
Fri Dec 15, 2006 10:51 pm
 
Forum: Botany Discussion
Topic: Plant differences, wind pollination, etc.
Replies: 3
Views: 6992

"Twenty questions"-biology game

What does homospore/heterospore mean ? I meant homosporous or heterosporous :oops:

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by Dr.Stein
Tue Nov 28, 2006 8:48 am
 
Forum: General Discussion
Topic: "Twenty questions"-biology game
Replies: 771
Views: 316402

Homosporous and Heterosporous plants.....help! + generations

Thanks alot...That cleared up most of my difficulties. One more question: So some Polypodiophytes are homosporous, while some others are heterosporous, right?

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by unrealfighter
Wed Nov 01, 2006 10:39 pm
 
Forum: Botany Discussion
Topic: Homosporous and Heterosporous plants.....help! + generations
Replies: 5
Views: 15748

Homosporous and Heterosporous plants.....help! + generations

Ans. 1. Yes, all bryophytes are homosporous Ans. 2. Selaginellopsida, Isoetopsida, Marsileidae and Salvinidae are heterosporous. Equisetales are homosporous however sexually are different. Ans. 3. Microsporangium = pollen sac, microgametophyte = pollen grain, mega(macro-)sporangium ...

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by SU_reptile
Wed Nov 01, 2006 8:43 pm
 
Forum: Botany Discussion
Topic: Homosporous and Heterosporous plants.....help! + generations
Replies: 5
Views: 15748
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