sherendlerzjessypo
sherendlerzjessypo sherendlerzjessypo
  • 15-08-2016
  • Health
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during the first month of development, how many layers of cells make up the embryo?a. 1b. 2c. 3d. 4

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gracegriffiths
gracegriffiths gracegriffiths
  • 26-08-2016
I believe it's 4 cells in the first month.
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