Errors sometimes occur when DNA duplicates itself. Why might that be a good thing?
a) New genes can enter the population and be acted upon by evolution.
b) It is a way to get rid of old defective genes.
c) The DNA replication process becomes more fine-tuned the more errors it makes.
d) Most errors are, in fact, good for the organism in which they occur.
e) Errors in DNA replication can never be a good thing.
Answer: New genes can enter the population and be acted upon by evolution.