Question

mutations
multiple-choice question
which of the following is true?
all mutations are harmful.
all mutations are benefitial
some mutation are harmful, and some are beneficial, but most mutations have no effect.

Explanation:

Mutations vary in their effects: only a small fraction are harmful (causing issues like genetic disorders) or beneficial (driving evolution by creating advantageous traits), while the majority are neutral, having no impact on an organism's survival or function. The first two options are incorrect because they claim all mutations are exclusively harmful or beneficial, which is not true.

Answer:

Some mutation are harmful, and some are beneficial, but most mutations have no effect.