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Letter from Peter R. Day to Joshua Lederberg

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  • Medicine


At the moment I'm setting up some repeat mutation experiments with Cladosporium and then I'll junk the organism. I am now going ahead with some ideas on nuclear and possibly somatic recombination in [ . . . ]. We have a Canadian, Clayton Person who is going to join Johnson at Winnipeg this fall, working in our cytology lab. He finds large nuclei which have two nucleoli in sectiared stem [ . . . ] material. They occur rarely but look like diploid nuclei.

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