Which Cell is the "Parent Cell" of the Three Types

Question

Which cell is the "parent cell" of the three types of blood cells produced in the bone marrow?
A) Erythrocyte
B) Leukocyte
C) Stem cell
D) Megakaryocyte

Accepted Answer

Stem cell is the parent cell of all three types of blood cells (erythrocytes, leukocytes, and platelets) produced in the bone marrow.