Question

What should be true of a molecule being used as a molecular clock?

Answer 1

Its mutations always affect the phenotype, making it easier to observe the changes.

It is a rare molecule that is not found in many living species that might be compared.

It serves an unnecessary function, making it less likely to be preserved over time.

It has a consistent rate of neutral mutations from generation to generation.

Answer 2

@dan815

Answer 3

It has a consistent rate of neutral mutations from generation to generation.

Answer 4

kewl-kewl?