Understand that animals with desired characteristics can be developed by selective breeding.
1. Farmers breed animals for similar reasons to the breeding of crops. They have selected for animals that:
1. Farmers breed animals for similar reasons to the breeding of crops. They have selected for animals that:
- produce more meat, milk or eggs
- produce more fur or better quality of fur
- produce more offspring
- show increases resistance to disease and parasites
The farmer selects his breeding cows which are producing a high yield ---> they become the breeding population --> they are selected for the desired characteristic.
As we progressively 'select' we change the desired characteristic by selective breeding. This is done under the control of genes.
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