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Per NCERT, what is TOTIPOTENCY — referenced in the 'Think as a Scientist' box about F. C. Steward's carrot experiment?
AThe ability to absorb all light wavelengths
BThe ability of some mature plant cells to undifferentiate, divide, and redifferentiate to develop into a complete new plant — similar to a zygote
CTotal resistance to all diseases
DThe capacity to fly
Answer & Solution
Correct answer: B. The ability of some mature plant cells to undifferentiate, divide, and redifferentiate to develop into a complete new plant — similar to a zygote
Per NCERT 'Think as a Scientist', totipotency = a cell's ability to develop into a complete organism. Steward (1958) first demonstrated in carrot phloem cells.
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