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Science 19 July 1963:
Vol. 141. no. 3577, pp. 261 - 262
DOI: 10.1126/science.141.3577.261
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Articles

Synergistic Effect of 5-Bromodeoxyuridine and Gamma Rays on Chromosomes

F. K. S. Koo 1

1 Agricultural Bio-Sciences Division, Puerto Rico Nuclear Center, Mayagüez

The combined effect of 5-bromodeoxyuridine and gamma rays on chromosomes in cells from the root tips of Zebrina pendula is synergistic. The enhanced, combined effects per cell of aberrations, bridges, and acentric fragments were, respectively, 2, 2.4, and 1.9 times the sum of the separate effects.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)