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Re: evolution of corn

Larry Caldwell <larryc@teleport.com> wrote:

> Corn was originally bred from a native Mexican grass called teosinte.
> Genetically it displays several instances of polyploidy.  It has been
> bred for so long that for centuries the original cultivar was unknown,
> and was not finally determined until gene analysis became sophisticated
> enough in the 1980's. 

This is VERY interesting. How does it came to other continents? Must
have been before Columbus ? Any web-sources about this?

-- 
<mailto:lav@magnet.at>
<http://www.comlink.apc.org/lav/>
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