Cell development and determination

During the development of an embryo, how is the function of a cell determined? How does a cell “know” it is supposed to, for example, become a nerve cell or part of the gut? How does it know its location within the embryo? How does the process happen? Key articles about cell development and cell determination: *Kemphues, K. J., Priess, J. R., Morton, D. G.,…

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Symmetry breaking and Biology

“During the latter half of the twentieth century, spontaneous symmetry breaking became important in biology. All organisms start off as highly symmetric entities, such as a single spherically symmetric cell. As the organism grows, this highly symmetric state becomes unstable, owing either to internal stresses and strains, or to influences from the environment. Enter spontaneous symmetry breaking: the organism will move to one of a…

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