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Home Q & A Board Science-Related Homework Help Psychology Developmental Psychology
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genderma genderma
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8 years ago
The majority of birth defects result from
A) the father's exposure to toxins.
B) the mother's exposure to toxins.
C) disruptions to early cell divisions in the zygote.
D) disturbances after organogenesis is complete.
Textbook 
The World of Children

The World of Children


Edition: 3rd
Author:
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yariyari
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8 years ago
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genderma Author
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#2
8 years ago
Merci beaucoup!
wrote...
#3
8 years ago
Thanks for the update.
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