What is cell differentiation? What can cause cell differentiation during development?

Differentiation is the process of transforming non-specialized germ cells into various cells of the body that differ in structure and perform certain functions. Differentiation does not begin immediately, but at a certain stage of development and is carried out by the interaction of the germ layers (at an early stage) and the beginnings of organs (at a later stage). Differentiation of embryonic cells does not occur immediately, but at a certain stage of development. In the early stages of crushing, the embryo cells are not yet specialized, so each of them can give rise to the whole organism. If for some reason these cells are disconnected, two identical embryos are formed containing identical genetic information, each of which develops into a full-fledged individual. As a result, identical or monozygotic twins are born. In the human population, these are the only people who have the same genotype and are copies of each other. Yes, differentiation can occur at any stage of embryogenesis, for various reasons.

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