On the frequency and transmitted chromosome alterations and gene mutations induced by atomic bomb radiations in maize

Creators: Anderson, E. G.

Abstract

Samples of maize seed of the single cross L289 X I205 were placed on some of the ships within the target area at Bikini at the time of the atomic bomb test of July 1, 1946. At about the same time Dr. L. F. Randolph exposed duplicate samples to x-rays at Cornell University. Plantings were made at the California Institute of Technology of both series together with untreated controls. From these plants, sporocyte samples were collected by Dr. Randolph for studies at Cornell University on the visible chromosomal changes induced by the radiations (Randolph, Longley and Li in press). Studies on hereditary effects have been carried on at the California Institute of Technology in cooperation with the United States Department of Agriculture and the Naval Medical Research Section of Operation Crossroads.

Additional Information

© 1948 by the National Academy of Sciences. Communicated by G. W. Beadle, June 15, 1948. Cooperative investigations of the Kerckhoff Laboratories of Biology, California Institute of Technology, and the Division of Cereal Crops and Diseases, Bureau of Plant Industry, Soils, and Agricultural Engineering, U.S. Department of Agriculture. This is a brief report based on a cooperative program carried on at the California Institute of Technology by a group of investigators including Dr. A.E. Longley of the United States Department of Agriculture, Prof. E.F. Frolik of the University of Nebraska, Dr. E.E. Dale of Union College and the following graduate student assistants: C.H. Li, K.L. Retherford, Earl P. Patterson, Wayne F. Keim and Don Robertson.

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