A comparison was made across eight species for their differences in amino acid sequences for cytochrome C, a protein in the electron transport chain in the mitochondria. Which arguments can be supported by the data? Select all that
may apply.

Although each of the following has a better chance of influencing gene frequencies in small populations than in large populations, which one most consistently requires a small population as a precondition for its occurrence? a) mutationb) nonrandom matingc) genetic driftd) natural selectione) gene flow