Question

a mouse in a field eats food containing high amounts of a certain pesticide. the pesticide causes a mutation to occur in the liver cells of the mouse. which of the following? a the mutation will spread to offspring because it is in a dominant gene. b the mutation will not spread to offspring because it is not in a sex cell. c the mutation will spread to offspring because it is beneficial. d the mutation will not spread to offspring because it is in a recessive gene.

Explanation:

Only mutations in sex - cells (gametes) can be passed on to offspring. Since the mutation occurred in liver cells (somatic cells) of the mouse, it will not be passed on to offspring regardless of whether the gene is dominant, recessive, or beneficial.

Answer:

B. The mutation will not spread to offspring because it is not in a sex cell