《Radiation-Induced Chromosome Aberrations》

PART 1．GENERAL SURVEY AND INTERPRETATION OF EFFECTS＆Chairman:L．H．GRAY1

Introduction＆L．H．GRAY3

Chromosome Abberrations and Target Theory＆H．J．EVANS (Extended comments by S．WOLFF)8

Chromatid Aberrations－The Generalized Theory＆S．H．REVELL41

Numbers of Nuclear Sites for Aberration Formation and the Distribution of Aberrations＆K．C．ATWOOD73

PART 2．BIOCHEMICAL NATURE OF INDUCED ABERRATIONS＆Chairman:J．TOTTER87

Introduction＆J．TOTTER89

Survey of Work on Chemical Bonds Involved in Aberrations＆C．P．SWANSON90

Aberrations Induced by Radiomimetic Compounds and Their Relations to Radiation-Induced Aberrations＆B．A．KIHLMAN100

Radioisotope Studies on the Structure of the Chromosome＆J．H．TAYLOR (Extended comments by M．J．MOSES)123

PART 3．BIOPHYSICAL STUDIES OF CHROMOSOME ABERRATIONS＆chairman:G．H．NEARY165

Chromosome Aberrations and Free Radicals＆A．D．CONGER (Extended comments by E．J．HART and R．CALDECOTT)167

Effects of Combined UV and X Radiations on Chromosome Breakage in Tradescantia Pollen＆J．S．KIRBY-SMITH203

PART 4．ABERRATIONS OF HUMAN CHROMOSOMES AND THEIR MEDICAL IMPLICATIONS＆Chairman:N．H．GILES,JR．215

Dose Relations in the Induction of Human Chromosome Aberrations＆E．H．Y．CHU217

Chromosome Cytology of Medical Anomalies＆G．YERGANIAN237

PART 5．GENETIC CONSEQUENCES OF ABERRATION INDUCTION＆Chairman:A．H．SPARROW271

General Survey of Genetic Effects of Chromosomal Aberrations＆D．L．LINDSLEY273

Summary＆C．AUERBACH290