CO>fTENTS 



Page 



Foreword iii 



Membership of Committees vii 



Reports of Committees 



Genetic Effects 



I. Our present position 3 



II. Responsibilities of geneticists 4 



III. What we need to know 6 



1. Mutation 8 



2. Phenotypic effects 11 



3. The behavior of genes in populations 12 



4. Basic research 13 



IV. How to expedite needed research 14 



1. Genetics in medical schools 15 



2. The utilization of medical records 15 



3. Census data and human genetics 16 



4. The support of basic genetic research 16 



5. The manpower problem 17 



6. Continuity of support 17 



On the Appraisal of Genetic Effects of Radiation 



in Man, by Sewall Wright 18 



Pathologic Effects 27 



App. A. Interim statement of Subcommittee on 



Acute and Long-Term Hematological Effects 34 



App. B. Interim statement of Subcommittee on 



Inhalation Hazards 36 



Meteorological Aspects 



I. Preface 41 



II. Introduction to the fallout problem 41 



III. Recent observations 42 



IV. Analysis and interpretation 43 



V. Future fallout 45 



VI. Conclusions 46 



V 



