Maize Genetics Research Needs

John Doebley jdoebley at facstaff.wisc.edu
Mon Apr 3 10:28:19 EST 2000


Re: Maize Genetics Research Needs

>15.	One or more very large (>2000 progeny) populations
>	mapped with all of the available RFLP, SSR, etc. markers
>	that can then be used for fine structure mapping by all
>	maize researchers.


A problem with all current maps is that gene order is unreliable and
thus there are often discrepancies among maps.   A map in which gene
order was accurate would be helpful.   The RI and F2 maps make
statistical estimates of gene order, a BC population would allow
direct observation of gene order since one analyzes single meiotic
products.  If there is going to be another map, let's have that has a
precise ordering of the genes.

----------------------------
John Doebley
Genetics Department
445 Henry Mall
University of Wisconsin
Madison, WI 53706
tel: 608-265-5803
lab: 608-265-5804
fax: 608-262-2976
email: jdoebley at facstaff.wisc.edu
http://www.wisc.edu/genetics/CATG/doebley/
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