In this very long "memo" to Rhoades, McClintock demonstrated that she now believed that the c-m1 mutable was a case
of Ds having transposed to the C locus, or just to its left. She further speculated on the patterns of c-m2. The findings
completed her picture of Ds action. The memo contains sections where McClintock speculated on biochemical and physical mechanisms
to explain transposition, mutation, and gene expression. Among other things, McClintock discussed the process of "hidden
NOTE: The original is missing page 17.
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1949-01 (January 1949)
Original Repository: American Philosophical Society. Library. Barbara McClintock Papers
Reproduced with permission of the Barbara McClintock Papers, American Philosophical Society.
Medical Subject Headings (MeSH):
Controlling Elements: Cold Spring Harbor, 1942-1967