Mutations are
A) permanent changes in DNA.
B) changes in the phosphate backbone of DNA.
C) mistakes in the incorporation of amino acids into proteins.
D) changes in the mRNA of an organism.
E) always harmful.

Question

Quizplus · Accepted Answer

Mutations are permanent changes to the DNA sequence, which can alter the structure and function of proteins and other molecules in the cell. While some mutations can be harmful or lead to disease, others may have no effect or even be beneficial. Mutations can be caused by a variety of factors, including errors in DNA replication or exposure to mutagens such as radiation or certain chemicals.

Mutations Are