Cabbage, cauliflower, broccoli, kohirabi, kale, Brussels sprouts have all sprung from wild mustard plant through
(1) variations and natural selections
(2) Induced transgenesis
(3) induced mutations and their propagation
(4) artificial selection of variation
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Cabbage, cauliflower, broccoli, kohlrabi, kale, Brussels sprouts have all sprung from the wild mustard plant through artificial selection of variation.
Option (4)
Explanation:
- All the above vegetables came from a source plant Brassica oleracea. Previously people used to grow the plant and use the plant as a production of the modern-day kale or collard greens.
- Later farmers used the variation of this species of the plant and produced the modern cabbage.
- Then the farmers selected the large flowering structure of the plant which is used as a cauliflower or broccoli. These way different variation of the plants are used in different species of the plant.
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