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CBSE - X - Biology - Heredity and Evolution

Evolution of cauliflower, broccoli,cabbage,red cabbage are all forms of wild cabbage. Is this an example of natural or artificial selection?Justify.

Asked by priyanshi Shah 24th February 2013, 9:28 PM
Answered by Expert


This is an example of artificial selection since humans have generated the different vegetables from cabbage by selectively breeding for specific characteristics.

Some farmers selected for very short distances between leaves, and have bred the cabbage we eat. Some have wanted to select for arrested flower development, and have bred broccoli, or for sterile flowers, and have made the cauliflower. Selecting swollen parts led to production of kohlrabi. Selecting the characteristic of slightly larger leaves led to producing a leafy vegetable called kale.
Answered by Expert 25th February 2013, 5:46 AM

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