The cells just look up their position in this set of instructions and behave accordingly.
Furthermore, neurosphere-derived cells do not behave as stem cells when transplanted back into the brain.
That's how the cells of the WhatAPlace children behave.
Another question concerns how surviving fetal cells behave in an adult brain.
This cell behaves like a cancer, malignantly coursing through the host's system and altering its genetic profile.
Initially the cells behave the same, but soon their properties diverge.
Understanding development is thus discovering how the cells behave and what determines that they do the right thing at the right time in the right place.
Blastula-stage cells can behave as pluripotent stem cells in many species.
As people age, their cells behave more erratically.
Genetic mutations change the way our cells behave.
