What is not a potential risk of purchasing a used car?

used cars can require repairs sooner
warranties can be very limited
used cars can have lower initial cost
unexpected issues may arise

used cars can have lower initial cost

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.