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Author Question: Approximately how long following fertilization does the mother's heart drive blood through ... (Read 149 times)

maychende

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on: Jun 22, 2018
Approximately how long following fertilization does the mother's heart drive blood through
  embryonic bloodstream?
 
  A) Less than one week
  B) Three weeks
  C) Five weeks
  D) Seven weeks

Question 2

An embryo begins to show signs of undifferentiated internal and external genitalia at about what age during prenatal development?
 
  A) 24 hours
  B) 24 days
  C) 23 weeks
  D) 56 weeks


strudel15

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Reply #1 on: Jun 22, 2018
Answer to Question 1

B

Answer to Question 2

This is great. Thanks


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