Sun February 24, 2013 By: Priyanshi Shah

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

Expert Reply
Mon February 25, 2013

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.
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