Gender differentiation begins A) at conception. B) after the ...

[jeatrice]

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.

[blfontai]

Answer to Question 1

A

Answer to Question 2

C

[jeatrice]

Excellent

[meow1234]

Thanks for the timely response, appreciate it