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Egg

Egg

a structure which the females of certain animal species lay as a means of reproduction, it contains a fertilized zygote and nutrition in the form of yolk for the developing offspring, sometimes contains other substances (e.g., the white of a hen's egg), sometimes surrounded by a protective outer shell. Throw eggs at.Coat with beaten egg; egg a schnitzel.Animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. Female birds.Oval reproductive body of a fowl (especially a hen) used as food.Otherwise known as the ovum. Otherwise, externally, an egg can be deposited by parents which soon develop into offspring. Some domesticated birds do not lay eggs.


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Human Reproduction

because it grew to support the eventual fertilized egg

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by JackBean
Mon Jan 21, 2013 8:20 am
 
Forum: Human Biology
Topic: Human Reproduction
Replies: 1
Views: 276

How many pollengrains enter the ovary?

As I understand it, a single pollen grain can contain multiple gametes with which many eggs can be pollinated. Most ovaries have more than one egg, so with enough gametes, they can all be fertilized.

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by danactsalot
Wed Dec 12, 2012 2:12 am
 
Forum: Botany Discussion
Topic: How many pollengrains enter the ovary?
Replies: 1
Views: 496

Re:

Because women are in general "programmed" to have rather few offspring with favourable men (huge one egg vs. many tiny sperms etc.) So then it all comes down to a battle between the gametes? That is, it is only evolutionary favorable for men (smaller, more expendable ...

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by vanizorc
Mon Dec 03, 2012 9:40 am
 
Forum: Human Biology
Topic: Why did evolution make intercourse un-pleasurable for women?
Replies: 2
Views: 566

Why did evolution make intercourse un-pleasurable for women?

Because women are in general "programmed" to have rather few offspring with favourable men (huge one egg vs. many tiny sperms etc.)

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by JackBean
Sun Dec 02, 2012 6:34 pm
 
Forum: Human Biology
Topic: Why did evolution make intercourse un-pleasurable for women?
Replies: 2
Views: 566

Re: How does cancer get inherited...in cell level?

Yes, well if you say it like that it makes more sense. So there's an egg/sperm cell and in it happens a mutation that leads to cancer..and it gets inherited..so if this persons has a child it will have a mutation in the DNA and the child might get cancer from ...

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by Chiabete
Fri Nov 02, 2012 3:25 pm
 
Forum: General Discussion
Topic: How does cancer get inherited...in cell level?
Replies: 3
Views: 466
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