A mutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring.
Fathers parent differently than mothers.
A mutation in the sex cells of the mother or father can cause  new trait to appear in their offspring.
A mutation can cause a new trait to appear in 
Options:
1) haploid plants
2) mother or father's sex cells
3) mutagen
4) mutual funds
5) molecules
6) sperm and egg fuse
7) Males and females
8) genetic material