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Old 02-21-2009, 12:25 PM   #10 (permalink)
lostgirl
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Quote:
Originally Posted by Xerxys View Post

About a woman's cycle, does she only produce one egg at a time? What would happen if she produced two, at both ovaries, and they both happen to be fertilized? I know twins happen when an egg splits after fertilization.
There are fraternal and identical twins. Two eggs being released and fertilized would result in fraternal twins. They don't look alike.

An egg splitting after fertilization results in identical twins.
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