Q: Does brain development depend only on genes?
A: No, brain development is the result of a complex interaction between both genes and environment. Brain development begins in utero. Billions of neurons are generated. They migrate from their birth place in the embryo to their final positions. Axons and dendrites grow and connections (synapses) between neurons are formed. These mechanisms are believed to be hardwired, that is determined by genetics. Once connections are formed,
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