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Question

Hybrid vigour is a possibility after


A
Clonal selection
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B
Species differentiation
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C
Crossing two plants
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D
None of the above
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Solution

The correct option is C Crossing two plants
Increase in the level of production traits, due to crossing, is called as hybrid vigour, which is also known as 'heterosis'. Increased heterozygosity is the major cause for hybrid vigour. It cannot be predicted. It is a 'trial and error' method.

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