Answer:
Wont they still have the same genes, so they wouldnt be immune to anything? Like if you breed grey with blue they have different genes and can have different immunities to different things
By components do you mean organs? If so...
1. Brain - gives demands ands orders to all of the body to function properly
2. Heart - pumps blood, and keeps the organism receiving the blood alive
3. Skin - protects the tissue from UV Rays that may be harmful