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Home Q & A Board Biology-Related Homework Help General Biology
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teilour teilour
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6 years ago
When an embryo partially splits after day 12 of development what arises?
  a. fraternal twins
  b. triplets
  c. a fetus with extra limbs
  d. conjoined twins
  e. fetus in fetu

Question 2

hCG stimulates which structure to secrete estrogen and progesterone?
  a. the zona pellucida
  b. the corona radiata
  c. the corpus luteum
  d. the ovum
  e. the placenta
Textbook 
Human Biology

Human Biology


Edition: 10th
Authors:
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Jango4445Jango4445
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6 years ago
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teilour Author
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6 years ago
this is exactly what I needed
SUmmerPeople
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Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
patyfeitosa
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2 hours ago
Good timing, thanks!
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