Your heredity and environment [by] Amram Scheinfeld. Assisted in research and editing by Herbert L. Cooper, and other herein mentioned. Illustrated by the author. Scheinfeld, Amram, 1897- Human genetics. HQ753 .S35 1965 575.1 SCY Successor to the author's You and heredity and The new you and heredity. Bibliography: p. 755-807. Philadelphia, Lippincott [1965] [1965] 1965 Text xxiv, 830 p. eng