Considering that all cells in an organism’s body have the same genes, what is it that allows cells to become different from each other or specialized, i. e. differentiated. (e. g. muscle cells, nerve cells, bone cells, etc.)?

Cell differentiation is how cells become specialized. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.

hello there the answer is d

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.