Cell Fate

Play on an uncommitted Stem cell. For each commitment towards a cell fate, {t}{x} to advance. Cannot be reversed.
{t}{1} Specification: Cells become their specialized
fate in a neutral environment.
{t}{2} Determination: Cells become their
specialized fate in a non-neutral environment.
{t}{3} Differentiation: Overt changes in cell
phenotype. Fully specialized.