Q16 of 51 Page 1

A. Write the two limitations of traditional breeding technique that led to the promotion of micropropagation.

B. Mention two advantages of micro propagation.


C. Give two examples where it is commercially adopted.

A. Micropropagation does not meet the demand. It failed to provide fast and efficient crop improvement process.

B. Through micropropagation, a large number of genetically identical plants can be produced in a short span of time. Healthy plants can be recovered from diseased plants.


C. Commercially adopted plants for micropropagation are a banana, tomato, apple, etc.


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A. Name the selectable markers in the cloning vector pBR322? Mention the role they play.

B. Why is the coding sequence of an enzyme β-galactosidase a preferred selectable marker in comparison to the ones named above?