Abstract:The effects of an acridine half-mustard, ICR 191, on the growth rate and ploidy of four haploid and two diploid lines of Rana pipiens cells in culture were studied. Growth curves indicate that the haploid and diploid cell lines were equally resistant to a 4-hour exposure of this drug (0.1 micrometer to 10 micrometer. ICR 191 treatment induced the haploid cell cultures to become diploid. The proportion of diploid cells increased progressively with respect to time after the 4-hour exposure period. The greater th… Show more
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