Specialized cells differ from one another because they
A) only express certain genes.
B) express all genes.
C) turn off gene expression once specialized.
D) may re-enter the cell cycle at any time.
E) do not express housekeeping genes.

Question

Quizplus · Accepted Answer

While all cells have all of the genes of the organism, a cell becomes specialized because it only expresses certain genes at certain times. The pattern of gene expression is different for every specialized cell type.

Specialized Cells Differ from One Another Because They