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Ovules

ovule

A structure in seed plants which contains the megasporangium (nucellus), megaspore (embryo sac), a food store, and a coat, and develops into a seed after fertilization.


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Concept of sexuality in plants.

Actually, the plant per se is sporophyte which is diploid and gives rise to haploid spores, which are the pollen and ovules. However, mostly plants contain both "sexes".

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by JackBean
Wed Aug 28, 2013 2:10 pm
 
Forum: Botany Discussion
Topic: Concept of sexuality in plants.
Replies: 3
Views: 2305

Structure of flower

... of a carpel, between the stigma and the ovary, through which the pollen tube grows. Ovary Enlarged base of the carpel containing the ovule or ovules. The ovary matures to become a fruit. Ovule Located in the ovaries. Carries female gametes. Ovules become seeds on fertilization.

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by snowfall
Thu May 30, 2013 5:29 pm
 
Forum: Botany Discussion
Topic: Structure of flower
Replies: 3
Views: 6177

How does seeds formed after pollination?

I guess fertilization can occur many times within one plant. Some flowers might have several ovules. Each ovule contains one ovum. When pollen grains land on the stigma, more than one pollen tubes can be formed and each carries a male gamete to one ovule.

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by AndyYip
Sat Sep 29, 2012 4:20 pm
 
Forum: Botany Discussion
Topic: How does seeds formed after pollination?
Replies: 1
Views: 4537

How does seeds formed after pollination?

In a flower ovary consists of ovules.Ovule has an egg cell.When pollination occur among several pollen grains only one pollengrain enter the ovule and fertilize the egg. After pollination ovary is converted to fruit and ovules are converted ...

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by kumar985
Fri Jul 20, 2012 4:09 pm
 
Forum: Botany Discussion
Topic: How does seeds formed after pollination?
Replies: 1
Views: 4537

What phase is responsible for me looking like my father?

... I, but i dont understand which other phase could be, they all look and do the same thing to me.. Also if you could help me on this, How many ovules are produced by each primary oocyte? Its not 2. I apreciate the help, i have to write a paper but i dont understand any of this, i just need ...

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by blackrat
Mon Mar 05, 2012 5:45 pm
 
Forum: Genetics
Topic: What phase is responsible for me looking like my father?
Replies: 3
Views: 2091
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