TY - BOOK AU - Katten,Steven ED - CRM Productions TI - Development and differentiation PY - 1974/// CY - Del Mar, Calif. PB - CRM/McGraw-Hill Films KW - Embryology KW - Cell differentiation N2 - Deals with the mechanism by which an embryo develops into a highly organized conglomerate of cells. Uses animation to show the functioning of cells, and explains the roles of DNA and cytoplasm ER -