How do different cell types develop?
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Then, how do different types of cells develop within an organism?
Cellular differentiation is the process where a cell changes from one cell type to another. Usually, the cell changes to a more specialized type. 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.
Also, why do cells become specialized during development? Because that's the whole point of being multicellular. Otherwise being unicellular is better. Specialized cells are more efficient at their tasks saving energy.
Then, how do cells differentiate to form Specialised cells?
Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.
How do organisms develop?
Living things grow and develop Every living organism begins life as a single cell. Unicellular organisms may stay as one cell but they grow too. Multicellular organisms add more and more cells to form more tissues and organs as they grow. The Growth and development of living organisms are not the same things.