Over time mutations occur. If the mutation is null (no effect) or beneficial, the organism will go on to reproduce and that mutation will carry into the next generation. Faulty mutations that cause harm will not likely be carried forward.
So, several generations later you have some level of change to the original sequence.
Hey yo!
the anwser is (B)
hope this helps:)
Explanation:
Eu" means "true," and eukaryotes have DNA arranged in chromosomes and encased in a nucleus. Fossil evidence indicates that prokaryotic cells first existed on the earth, prior to the arrival of the eukaryotes.
Reductions of chromosome numbered
