Although the FOXP2 Amino Acid Sequence Is Highly Conserved, Humans

Multiple Choice

Although the FOXP2 amino acid sequence is highly conserved, humans have two unique amino acids that chimpanzees don't have. These unique amino acids are highly correlated with differences in _____ seen between chimps and humans.

A) speech and language
B) sight and language
C) sight and speech
D) speech and fine motor control of the thumb
E) sight and fine motor control of the thumb