Multiple Choice
The amino acid sequences in cytochrome c were determined for chickens, ducks, and humans. Scientists found a difference of 3 amino acids between chickens and ducks, but between chickens and humans there were 13 differences. One may conclude that
A) chickens are as closely related to humans as they are to ducks.
B) chickens are more closely related to ducks than they are to humans.
C) chickens are more closely related to humans than they are to ducks.
D) None of the above.
Correct Answer:

Verified
Correct Answer:
Verified
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