Why Are Mutations Uncommon in Normal Cells

question 6

Multiple Choice

Why are mutations uncommon in normal cells?

• A) Only 25 percent of the genome codes for proteins; therefore, the probability is low that a mutation would occur in a protein-coding region.
• B) Most mutations occur after DNA replication.
• C) Many amino acids are coded for by more than one codon.
• D) The mutation rate during DNA replication is 1 in 100 nucleotides.
• E) The mutation rate during DNA replication is zero.

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Definitions:

H. Tristram Engelhardt

A philosopher and bioethicist known for his contributions to the fields of medical ethics and bioethics, focusing on moral pluralism and the secularization of bioethics.

Precious Gift

A term often used metaphorically to describe something of great value, usually intangible, bestowed or received.

Permissible

That which is allowed or authorized by law, ethics, or some other governing body.

Hedonistic Utilitarian

A branch of utilitarian ethics focused on maximizing pleasure and minimizing pain as the criteria for determining the moral rightness of actions.