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Article #2590

Re: artificial breeding

#2590
From: Stan Friesen
Date: Thu, 24 Dec 1992 16:27
24 lines
1503 bytes
In article <ldsoderb.724677131@reading>, ldsoderb@susssys1.reading.ac.uk (David S. Oderberg) writes:
|> 
|> I am aware of the alleged creation of plant hybrids which can't be crossed
|> with either parent species: do these, if they exist, qualify?  

Yep, they qualify - allopolyploids (as they are called) are valid species.
In fact all of the standard 'breeds' of wheat are members of artificially bred
species.  The most common types of wheat grown today are hexaploids (twice
hybridized), but even most of the tetraploid wheats are artifically produced
(thought there *are* a few natural tetraploid wheats, I believe).

I forget the species names for the domestic wheat species.

|> I am also aware of Drosophila experiments, but again I do not know if there
|> are any results relevant to my question.

There was one claim for breeding a new species of Drosophila, but closer study
showed that the experiment had started with an undiagnosed pair of sibling
species.

-- 
sarima@teradata.com			(formerly tdatirv!sarima)
  or
Stanley.Friesen@ElSegundoCA.ncr.com
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Path: arc1-ca.pugleaf.net!sparky!uunet!tdat!tools3!swf
From: swf@tools3teradata.com (Stan Friesen)
Newsgroups: sci.bio
Subject: Re: artificial breeding
Keywords: artificial, natural, selection, species
Message-ID: <1669@tdat.teradata.COM>
Date: 24 Dec 92 16:27:23 GMT
References: <ldsoderb.724677131@reading>
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