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Endosperm

== == nutritive tissue surrounding the embryo within seeds of flowering plants.A tissue found in many seeds which supplies nutrients to the [[embryo. == ==


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Sporophyte, spermatogenesis and oogenesis?

... on anthers - so they are referring to microsporocytes?- 46 chromosomes 92 chromatid? magasporocyte and microsporocytes=diploid 46 and 92 chromatid endosperm = 3N triploid so 69 chromosome 69 chromatid? antipodal and tube cell= 23 chromosomes and 23 chromatid flower petal and parencyma cell of the ...

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by jacobamark99
Fri May 27, 2011 5:38 pm
 
Forum: Genetics
Topic: Sporophyte, spermatogenesis and oogenesis?
Replies: 0
Views: 3539

Can anyone help me think of a project?

CAN ANYBODY TELL ME ABOUT MY project which is Morphological nature of endosperm ,i cant understand how to write nd what to

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by neha123
Wed Mar 23, 2011 5:14 pm
 
Forum: Botany Discussion
Topic: Can anyone help me think of a project?
Replies: 9
Views: 5388

Plant Genetics help

so the reason for polyploidy is adaptability how tho, what does having extra chromosomes give u? and the 3n of the cotyledon or endosperm (fusion of sperm and 2 polar bodies) is to make the "food" of the seed grow faster?

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by SolarwingGX
Sun Jul 04, 2010 11:59 pm
 
Forum: General Discussion
Topic: Plant Genetics help
Replies: 2
Views: 1630

ploidy of endosperm

... may be 4n... here's why the tetraploid plant's pollen grain would then be diploid, no? so 2n combines with the polar nuclei... 2n+n+n= 4n normally endosperm are triploid, and i thought they always were... but apparently that's not always the case. if you haven't, look here http://en.wikipedia.org/wiki/Endosperm

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by plasmodesmata11
Mon Apr 26, 2010 12:37 am
 
Forum: Botany Discussion
Topic: ploidy of endosperm
Replies: 11
Views: 6026

ploidy of endosperm

... than tell us why is it 3n or you do not know the answer and you should accept our answers, until they are not proven wrong. Do you know, how does endosperm comes into being?

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by JackBean
Sun Apr 25, 2010 7:51 am
 
Forum: Botany Discussion
Topic: ploidy of endosperm
Replies: 11
Views: 6026
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