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The Joshua Lederberg Papers

Title:
Letter from Joshua Lederberg to Barbara J. Bachmann pdf (122,438 Bytes) transcript of pdf
Letter from Joshua Lederberg to Barbara J. Bachmann
Description:
Item is handwritten. Item is a photocopy.
Number of Image Pages:
2 (122,438 Bytes)
Date:
1985-05-07 (May 7, 1985)
Creator:
Lederberg, Joshua
Recipient:
Bachmann, Barbara J.
Rights:
This item is in the public domain. It may be used without permission.
Relation:
Lederberg Grouping: Correspondence F
Box Number: 39
Folder Number: 62a
Unique Identifier:
BBAQAO
Accession Number:
78
Document Type:
Letters (correspondence)
Language:
English
Format:
application/pdf
image/tif
Physical Condition:
Good
Series: Correspondence, 1935-2002
SubSeries: 1985-1999
Folder: Bachmann, Barbara J.
Transcript:
Dr. Bachmann
[stamped, MAY 7 1985]
Dear Barbara
K-12 fundamentals.
It is a (notorious) coincidence that most of the mapping I did in 1947-48 involved markers in the first 10 mins. When we picked up Mal, Str by 1951 we had to draw "non-linear" maps, as you know. The Wollman et al. discovery of progressive DNA transfer revolutionized how we have to look at mapping.
We nevertheless had some reservations whether that was the whole story; and I have now been returning to some more
[END PAGE ONE]
[BEGIN PAGE TWO]
thinking about that.
Barbara, my question to you is for bibliography, perhaps 1960-1985, on crossing-over in K-12 crosses specifically involving markers -- through the larger part of the chromosome, and over intervals of multiples of 10 minutes. To allow for progressive transfer, these might entail selection for distal markers, and with well-defined, stable Hfr males.
I hoped that you might have biblio
[END PAGE TWO]
[BEGIN PAGE THREE]
graphy at your fingertips that would take me weeks to assemble. I haven't really thought about this problem in 15 or 20 years, so even the obvious might be helpful to me.
Yours,
Joshua.
Metadata Last Modified Date:
2007-01-12
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