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Home Q & A Board Biology-Related Homework Help General Biology
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Dr. Me Dr. Me
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11 years ago
   
   A holoblastic cleavage
   B trophoblast
   C yolk plug
   D epiblast and hypoblast
   E gray crescent

I'm pretty sure it is D, but I think it might be c.
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lewislewis
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11 years ago
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