Cloning will only make a species to be less diverse because when we are using cloning technique, it copies the DNA from the mother cell. It will results in the exact same features with the parents. Breeding meanwhile promotes diversity and also can do cross-breeding with various animal. The species may also face extinction because if a dog is infected with a disease, it might infect the other dog which is a result of cloning.

Pros:
1.Famine problem can be solved
2.No need to think of alternative solutions or find alternative sources of water to ensure crops grow
Cons:
1. GM crops might contain new proteins that are not naturally present and give rise to allergy when consumed.
2. GM corn may contain genes that kills pests, when humans consume them, they are also consuming the genes that might pose harmful effects to humans