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May 4, 2015

Homework Help: social studies

Posted by missy on Monday, October 10, 2011 at 7:44pm.

Developmental psychologists know that the sex of the baby is determined:
A)definitively at conception.
B)by the release or non-release of a hormone during the embryonic stage.
C)by the embryo's genes.
D)during the fetal period.

I chose C. Am I right?

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