Question

why would a mutation in a sex cell potentially have a larger impact than a mutation in a body cell?
the mutation would be included in all of the offsprings cells.
the egg from the mother would be mutated.
the sperm from the father would be mutated.
the mutation would cause sterility in the parent in question.

Explanation:

A mutation in a sex cell (gamete) can be passed on to offspring. If a sperm or egg is mutated, the offspring's cells will inherit that mutation. A mutation in a body cell (somatic cell) affects only that individual and is not passed on. So, a sex - cell mutation can be in all of the offspring's cells.

Answer:

The mutation would be included in all of the offspring's cells.