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Author Question: The incidence of Down syndrome in North America is about __ in every 1000 live births, depending on ... (Read 146 times)

lilldybug07

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on: Jun 25, 2018
The incidence of Down syndrome in North America is about __ in every 1000 live births, depending on the mother's age.
 A) 1
  B) 7
  C) 12
  D) 19

Question 2

Which of these statements is correct?
 A) Neurons are cells of muscle tissue.
  B) Some neurons cannot be regenerated if damaged or destroyed.
  C) Neurons increase in number after birth.
  D) Neurons are not formed until after birth.


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cici

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Reply #1 on: Jun 25, 2018
Answer to Question 1

A

Answer to Question 2

B


lilldybug07

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

shailee

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Reply 3 on: Yesterday
Excellent

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