Respuesta :
B. Mutations are fairly common, but most are silent mutations, and have little effect.
The most accurately summarizes the effects of mutations on living things, most mutations are harmful, but some have little effect.
What's an example of mutation?
A mutation is a change in the DNA sequence of an organism. Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection.
Thus, option "A" is correct.
To learn more about mutations click here:
https://brainly.com/question/13923224