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It occurs when cells express different genes

Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.

At what step Determination occurs?

Determination occurs before differentiation, determination gives an operational definition, and commits cell to a subset of cell types at this stage.

Determination occurs when the fate of a cell is already fixed, differentiation is when the cell actually becomes the cell it is meant to be.

Differentiation occurs numerous times during the development of a multicellular organism.

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