In Understanding the Trait of Shyness,a Behavioral Geneticist Will Argue

Multiple Choice

In understanding the trait of shyness,a behavioral geneticist will argue that:

A) identical twins separated at birth will always have the same level of shyness
B) genetics will determine two levels of shyness and environmental factors will determine which one actually occurs
C) the influence of genetics on shyness is fixed
D) genetics set a range for the level of shyness and environmental influences will interact with that range