The three options one may take in case an internal device fails include
1. return the machine to the service center for repair. the manufacturer of the computer have better knowledge about their devices and can fix problem without any difficulties.
2. the other option is one can substitute a functioning external component for faulty internal component.
3. third, one can replace faulty component.
In other words the genes are the same for seed color so its going to be both upper case or both lower case.
homo=same
Anatomy: the study of body placement
Physiology: the study of how the body functions
Differ: How it functions vs. where something is located