Final answer:
Monocytes are a type of white blood cell that differentiate into macrophages or dendritic cells, but they do not give rise to platelets.
Step-by-step explanation:
The correct answer is 4) They can give rise to platelets.
Monocytes are a type of white blood cell that normally make up 2-8% of the total leukocyte count. They have the ability to differentiate into macrophages or dendritic cells. Monocytes can also be subdivided into inflammatory monocytes and patrolling monocytes. However, they do not give rise to platelets.