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joakim joakim
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9 years ago
The _________ is the time when serious defects from teratogens are most likely to occur.
A)   period of the zygote
B)   period of the embryo
C)   second trimester
D)   third trimester
Textbook 
Infants and Children: Prenatal Through Middle Childhood

Infants and Children: Prenatal Through Middle Childhood


Edition: 7th
Author:
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adeleadele
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9 years ago
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joakim Author
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9 years ago
The perfect way to finish off my semester strong, thanks.
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