Biotechnology And Its Applications Question 2
Question: In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as:
(1) Differentiation
(2) Dedifferentiation
(3) Development
(4) Senescence
Show Answer
Answer: (2) Dedifferentiation
Explanation-
Dedifferentiation is the process by which specialized, differentiated cells revert to a more primitive, less specialized form. In tissue culture, this allows the cells to proliferate and form a callus, which is an undifferentiated mass of cells.