Re: [asa] (fruit flies???) A Message from the RTB Scholar Team

From: Dennis Venema <Dennis.Venema@twu.ca>
Date: Tue Apr 22 2008 - 13:02:18 EDT

Sorry, that should read

³Mustard evolution under artificial selection² - but the distinction is
arbitrary ­ as far as the mustard is concerned, selection is selection.

dennis

On 4/22/08 9:57 AM, "Dennis Venema" <Dennis.Venema@twu.ca> wrote:

> Hi Bernie,
>
> most evolutionary biologists don¹t think that so-called ³macroevolution² -
> mutations that have sudden, large-scale effects ­ plays much of a role in
> evolution. These, while dramatic and underscoring the importance of the
> affected genes in development, likely produce changes too far outside the
> range of normal to provide a benefit.
>
> in terms of artificial selection leading to rapid, large-scale morphological
> changes, look no farther than the dog in your house (descended from a timber
> wolf) or the various forms of wild mustard on your plate. Anyone who doubts
> the ability for mutation and selection to produce large-scale changes in a
> short amount of time should have a serious look at a Chihuahua. Then consider
> the time scale of this transition in terms of geology ­ when compared with
> timber wolves it would appear instantaneously in the fossil record.
>
> Mustard evolution under natural selection:
>
> http://evolution.berkeley.edu/evosite/evo101/IIIE4Evochange.shtml
>
> Dennis
>
>
> On 4/22/08 9:40 AM, "Dehler, Bernie" <bernie.dehler@intel.com> wrote:
>
>> Hi Keith-
>>
>> Sounds like you are referring to what YEC¹s call ³micro evolution.² I think
>> if we really understood evolution, we should be able to do ³macro evolution²
>> also in the labŠ such as creating new creatures; since we can do the same
>> thing nature does, only much faster when directed by intelligence (we can
>> measure, screen, and control populations of animals that reproduce rather
>> rapidly).
>>
>>
>>
>> From: asa-owner@lists.calvin.edu [mailto:asa-owner@lists.calvin.edu] On
>> Behalf Of Keith Miller
>> Sent: Monday, April 21, 2008 5:40 PM
>> To: AmericanScientificAffiliation Affiliation
>> Subject: Re: [asa] (fruit flies???) A Message from the RTB Scholar Team
>>
>>
>> Bernie wrote:
>>
>>
>>>
>>> I believe that evolution happened but here¹s my stumbling block. Since
>>> nature does evolution with mutation (chance) and natural selection, we
>>> should be able to considerably ³speed things up² by applying intelligence in
>>> a lab situation.
>>
>>
>> We do speed it up, its called artificial selection. New species have been
>> generated by artificial selection. The rapidity with which artificial
>> selection has generated the diversity of domesticated animals and plants has
>> demonstrated how quickly selection plus mutation-generated genetic change can
>> generate observable phenotypic effects.
>>
>>
>>
>> Again, there is no debate about the reality of speciation. Even young Earth
>> creationists do not deny it -- although it is often dismissed as only
>> variation within a completely undefined (and undefinable) "kind."
>>
>>
>>
>> Keith
>>
>>
>>
>>
>> Keith B. Miller
>>
>> Research Assistant Professor
>>
>> Dept of Geology, Kansas State University
>>
>> Manhattan, KS 66506-3201
>>
>> 785-532-2250
>>
>> http://www-personal.ksu.edu/~kbmill/
>>
>>
>>
>
>

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Received on Tue Apr 22 13:03:22 2008

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