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Rony02 Rony02
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Posts: 494
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6 years ago
Gastrulation produces
 
  a. hollow balls of cells.
  b. embryos with germ layers.
  c. solid balls of cells.
  d. maternal messages.
  e. yolk.

Question 2

In the United States, how many embryos,
  created by IVF, remain frozen?
 
  a. 10,000
  b. 50,000
  c. 100,000
  d. 500,000
  e. 1,000,000
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Answer verified by a subject expert
medjedmedjed
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Posts: 490
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6 years ago
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Rony02 Author
wrote...

6 years ago
Thank you, thank you, thank you!
yen
wrote...

Yesterday
this is exactly what I needed
wrote...

2 hours ago
Just got PERFECT on my quiz
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