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Title: Sperm-egg interactions are species-specific in sea urchins, but not in mammals. Post by: ppk on Nov 20, 2011 Sperm-egg interactions are species-specific in sea urchins, but not in mammals. What might be one reason for this difference?
Title: Re: Sperm-egg interactions are species-specific in sea urchins, but not in mammals. Post by: lewis on Nov 24, 2011 Sea urchin fertilization occurs in open ocean.
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