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Somaclones are obtained by
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- plant breeding
- irradiation
- genetic engineering
- tissue culture
Correct Option: D
Genetic variation present among plant cells during tissue culture is called somaclonal variation. The term somaclonal variation is also used for the genetic variation present in plants regenerated from a single culture. This variation has been used to develop several
useful varieties against resistance to diseases and pests, better yield, better quality etc.