TY - BOOK AU - DuPraw,Ernest J. TI - DNA and chromosomes T2 - Molecular and cellular biology series SN - 0030841313 (pbk) U1 - 611.018167 23 PY - 1970/// CY - New York, London PB - Holt, Rinehart and Winston KW - Chromosomes KW - DNA N1 - Bibliography: pp. 314-332; Includes index ER -