Persons with Mutations in the FOXP2 Gene Suffer from a Severe

Multiple Choice

Persons with mutations in the FOXP2 gene suffer from a severe speech and language disorder. What is the nature of the disorder?

A) The person's lips are malformed.
B) The person is unable to perform the fine muscular movements of lips and tongue that are required for vocal communication.
C) The person has malformed vocal cords.
D) The person has a malformed tongue.
E) The person with the disorder is deaf.