With regard to the maturation of an erythrocyte [ih-RITH-ruh-syt], arrange the following four choices in correct sequence starting with the cell type after the

proerythroblast [proh-i-RITH-ruh-blast] and ending with the mature erythrocyte: Basophilic [bay-suh-FIL-ik] erythroblast, Reticulocyte [ri-TIK-yoo-luh-syt], Orthochromatic [ohr-thu-kroh-MAT-ik] normoblast, Polychromatophilic [poh-lee-kroh-muh-thi-ik] erythroblast.
1, 4, 3, 2 (ACCEPT: BASOPHILIC ERYTHROBLAST, POLYCHROMATORPHILIC