Evolutionarily conserved molecules:
A)are similar in sequence among distantly related organisms.
B)were likely present in the most recent common ancestor of the organisms possessing them.
C)likely changed little over time because they serve a vital function.
D)are molecules in which most mutations are likely to be harmful.
E)All of these choices are correct.

Question

Quizplus · Accepted Answer

Evolutionarily conserved molecules are similar in sequence among distantly related organisms, were likely present in the most recent common ancestor of the organisms possessing them, likely changed little over time because they serve a vital function, and are molecules in which most mutations are likely to be harmful. Therefore, all of these choices are correct.

Evolutionarily Conserved Molecules