Author Question: Gender differentiation begins A) at conception. B) after the first week of the zygotic stage. ... (Read 73 times)

jeatrice · **on:** Jun 22, 2018

Gender differentiation begins

A) at conception.
B) after the first week of the zygotic stage.
C) at the beginning of the embryonic stage.
D) near the end of the embryonic stage.

Question 2

Research on temperament has shown that it

A) is entirely inborn.
B) is entirely environmental.
C) begins with inborn tendencies that are shaped by the environment.
D) begins with an environmental effect that changes fetal brain development to form a temperament.