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

Question

Quizplus · Accepted Answer

Behavioral geneticists believe that genetics play a role in determining the range for the level of shyness, but environmental factors also interact with that range to determine actual levels of shyness. Identical twins separated at birth may have different levels of shyness due to differing environmental factors.

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