In the Bone Marrow,stem Cells Produce Erythrocytes Which Lose Their

Multiple Choice

In the bone marrow,stem cells produce erythrocytes which lose their nucleus and function for a few months in the bloodstream before they die.Erythrocytes never divide.Based on this information,erythrocytes

A) leave the cell cycle in a G₀ phase,after exiting G₁.
B) leave the cell cycle in a G₃ phase,which immediately follows G₂.
C) halt in the midst of the S phase.
D) continually cycle but simply fail to go through cytokinesis.
E) reverse from G₂ to G₁.