Define artificial selection. Explain it with help of example.
Artificial selection is a process in which man selects a particular desired traits for breeding, in order to generate new plants/ animals with improved characters. For e.g. Early farmers cultivated wild cabbage or Brassica oleracea. This wild cabbage developed into many varieties such as cabbage, broccoli, kohlrabi, cauliflower, kale, and brussels. These varieties were artificially selected because of their characteristic traits.
the defination given above can be referred e.g----the selection of a cows producing more healthy minlk than others and interbreeding them so as to get more cows which produce healthy milk.......or disease resistance....you can also consider the case of wild cabbage.... in which the farmers selected those with swollen parts.....now known as kohl rabi