Dictionary » M » Megaspore

Megaspore

Definition

noun, plural: megaspores’’

(botany) The larger meiospore produced in heterosporous plants, and develops into a female gametophyte.


Supplement

Synonym: macrospore

Compare: microspore

See also: spore


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Re: what does exactly produce egg cell?

the megaspore is the transition stage between the sporophyte (2n) and the gametophyte (1n).

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by husseingenelab
Mon Jun 28, 2010 10:50 pm
 
Forum: Botany Discussion
Topic: what does exactly produce egg cell?
Replies: 4
Views: 3714

Re: what does exactly produce egg cell?

Yes, egg is a female gametophyte. So megaspore produces a female gametophyte :?:

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by scienceclub
Fri May 21, 2010 2:13 pm
 
Forum: Botany Discussion
Topic: what does exactly produce egg cell?
Replies: 4
Views: 3714

what does exactly produce egg cell?

In the process, megaspore divides by mitosis forming 8 nuclei and then membranes partition into a multicellular female gametophyte --- the embryo sac. So egg cell should be created by megaspore? But in the book says that embryo sac ...

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by scienceclub
Fri May 21, 2010 5:58 am
 
Forum: Botany Discussion
Topic: what does exactly produce egg cell?
Replies: 4
Views: 3714

Re: Can someone please explain to me about megaspores?

look,when u come across mega word it refers to female .now it will be clear to u what megaspore mother cell mean.it is simply the mother cell that give 4 daughter mega[female]gamete on meiotic division.among them only one is funtional.this funtional megaspore is called ...

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by Dharmendra
Tue Sep 22, 2009 4:05 pm
 
Forum: Botany Discussion
Topic: Can someone please explain to me about megaspores?
Replies: 4
Views: 3535

Can someone please explain to me about megaspores?

Basically, I want to know what an ovule is. Also, I want to know what a megaspore is, what it does, and how it works.

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by annalovesyou
Wed Jun 03, 2009 8:43 am
 
Forum: Botany Discussion
Topic: Can someone please explain to me about megaspores?
Replies: 4
Views: 3535
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