Re: Spacey Ambitions - They're KIDDING, Right ?

From: Bill Bonde ('That he not busy being born') (stderr_at_abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijk.com)
Date: 03/21/05


Date: Mon, 21 Mar 2005 14:49:13 -0800


"Paul F. Dietz" wrote:
>
> * US * wrote:
> > On Sat, 19 Mar 2005 14:31:58 GMT, "Carey Sublette" <careysub@earthling.net> wrote:
> >
> >
> >>...It is most unclear how adding new
> >>genes to this existing (and ancient) process of genetic mixing risks
> >>reducing genetic diversity.
> >
> >
> > That's all the more reason to become better informed about it.
> >
> > "Crop diversity. Because genetic engineering focuses on crops with
> > certain highly desirable traits, genetic diversity within the crop could
> > be diminished. This can make crops more susceptible to natural
> > calamities such as disease outbreaks. Such problems also have
> > been encountered with hybrids generated by traditional
> > breeding techniques..."
>
> But you still haven't explained *why* this leads to reduction
> in diversity.
>
> If anything, making it easier to transfer highly desirable traits
> into crops should *increase* diversity, since those traits can be
> more economically added to many different strains. The easier
> the engineering is, the easier and cheaper it is to make more varieties
> of product.
>
But can you transfer these factors into the genetic cloud of a
biologically diverse species? We aren't doing that with our crops using
selective breeding either. Of course does it really matter in a
domesticated variety of something that doesn't exist in a wild form in
that location?

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Relevant Pages

  • Re: Spacey Ambitions - Theyre KIDDING, Right ?
    ... >>reducing genetic diversity. ... genetic diversity within the crop could ... This can make crops more susceptible to natural ... making it easier to transfer highly desirable traits ...
    (sci.space.policy)
  • Re: Spacey Ambitions - Theyre KIDDING, Right ?
    ... :>>reducing genetic diversity. ... :> certain highly desirable traits, genetic diversity within the crop could ... This can make crops more susceptible to natural ... down once we get to actual genetic engineering as practiced these ...
    (sci.space.policy)