The results of several studies of facial expressions in people who were born blind suggest ____.
A) a minor role for genetics in the control of facial expressions
B) a major role for genetics as well as environment in the control of facial expressions
C) no role of genetics in the control of facial expressions
D) no role of genetics, but a major role of environment in the control of facial expressions

Question

Quizplus · Accepted Answer

Studies on individuals who were born blind show that they exhibit facial expressions similar to those of sighted individuals, even in the absence of visual learning from observing others. This suggests that genetics plays a significant role in the development and control of facial expressions, alongside environmental factors.

The Results of Several Studies of Facial Expressions in People