[MD] Evolution

[Dan Glover]

Hello everyone

On Sun, Mar 27, 2011 at 3:11 AM, ADRIE KINTZIGER <parser666 at gmail.com> wrote:
> Quote , Dan.
> Dan:
> You're talking about selective breeding, not natural selection. In
> fact, selective breeding leads to a species being less able to adapt
> to changes, less able to fight off illness and infections, and more
> prone to genetic diseases. Charles Darwin wrote about this
> extensively. He told a story about how an animal breeder informed him
> the quickest way to alter a animal was to cross-breed it with its
> sister or brother, or to back-cross it with a mother or father. But
> this ultimately leads to a weaker species.
>
> So no, while on the surface it may seem we have altered evolution by
> selective breeding, we have in fact effectively bred Dynamic Quality
> out of the equation. By determining what traits we select for, the
> Dynamic freedom exhibited in the wild is lost.
> ------------------------------------------------------------------------------
>
> Perfect.
>
> Incestual crossbreed brings out the best unknown traits in the offspring.
> But!!, it will also bring out the worst case scenario's.The number of bad
> mutations will spice up real far.The Jack Wattley discus fish is a good
> example of incestual breeding and crossing back.
> Perfect results for in a fish tank, no changes of survival in the nature.
> Nature will filter them back out if tried.
>
> Or try the Pigeon blood discus as example, or the Malboro's or the
> leopards,or the 'degen-discus', changeless in nature,...(visability for
> predators.)
>
> Same goes for Koi really, most are very beautiful, but taken back to nature,
> the visability for predators is simply to high.And they lost the ability to
> protect themselves to cancer mostly.
>
> Think of the Orchid hybrids(F1 Hybrids), Maize,(F1 Hybrids)...chanceless
> outside a controlled monoculture.
> The breeders are clever,However, they kill immediatly all results that are
> unwished,and mostly will deny it.
>
>
> But i do have to say, the field Ian is coining,Epigenetics, is  a very
> interesting and promising field.But a change and a modification,will almost
> never become a mutation.
> Checked it out in the Kew gardens dbase.solid. good field.

Hi Adrie

Yes, epigenetics is very interesting, I agree. From what I understand,
it is a process by which environmental influences alter inherited
traits without altering the DNA. It is (currently) viewed as
complementary to natural selection.

Good stuff, Adrie. Thank you.

Dan