How it’s being used
People have been breeding animals and new varieties of plants for many hundreds of years to develop or avoid certain qualities. Examples include racehorses that are bred to be faster and stronger, and roses, bred to give a wider range of colours and to make them more resistant to disease. Over many generations, sometimes for thousands of years, the world’s main food crops have been selected, crossed and bred to suit the conditions they are grown in and to make them tastie...
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