Totipotency is the ability of a living cell to express all of its genes to regenerate a whole new individual.
Ability of a cell to divide
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Totipotency is the ability of living cells to form the whole organism unless and until they have become extremely specialized

Totipotency is the ability of a single cell to divide and produce all of the differentiated cells in an organism, including extraembryonic tissues.Totipotency is the ability of a single cell to divide and produce all of the differentiated cells in an organism. Spores and zygotes are examples of totipotent cells. In the spectrum of cell potency, totipotency represents the cell with the greatest differentiation potential.

Totipotency is the ability of a cell to divide and differentiate into a complete body. In plants, the meristematic cells divide continuously and give rise new cells of the plant body. At maturity, the meristematic cells are fully developed and functional and develop the capacity of totipotency. This implies that when they provided with all the necessary conditions of temperature, humidity and nutrients at any stage of life, they can grow and develop into new plant tissue. These totipotent cells are used in plant tissue culture to generate a new plant from an explant.