The term ‘totipotency’ refers to the capacity of a:
a. cell to generate a whole plant
b. bud to generate a whole plant
c. seed to germinate
d. cell to enlarge in size
Totipotency means giving rise to a new plant from a cell and this mechanism is used in cell or tissue culture to generate a whole new plant.
Hence, the answer is option (a) cell to generate a whole plant.