A) dedifferentiation
B) dedifferentiation
C) cyto-differentiation
D) differentiation
Correct Answer: B
Solution :
Dedifferentiation is the process in which mature differentiated cells reverse to meristematic activity to form callus. It is an important biological phenomenon whereby cells regress from a specialised function to a simpler state reminiscent of stem cells. Stem cells are self-renewing cells capable of giving rise to differentiated cells when supplied with the appropriate factors.
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