The results of several studies of facial expressions in people who were born blind suggest:

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.

1 comment:

  1. b. a major role for genetics as well as environment in the control of facial expressions.

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