Prof. John C. Hadder

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1. ThePisum test was used in an endeavor to set up cytological criteria for c-mitotic and prophase poison actions on a qualitative and quantitative basis. Colchicine was chosen as the standard type c-mitotic agent, and actidione as the standard type prophase poison. 2. The effects of colchicine and actidione as reported by previous investigators were(More)
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