No proof of evolution in Fruit Flys within 600 Generations

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Forums > All Posts > No proof of evolution in Fruit Flys within 600 Generations

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2011-01-23 10:57 AM

LLBarry
Beverly, MA
Posts: 299

"In a recent study, also published in Nature, University of California Irvine researcher Molly Burke led research into the genetic changes that occurred over the course of 600 fruit fly generations. The UCI lab had been breeding fruit flies since 1991, separating fast growers with short life spans from slow growers with longer life spans.5
The UCI scientists compared the DNA sequences affecting fruit fly growth and longevity between the two groups. After the equivalent of 12,000 years of human evolution, the fruit flies showed surprisingly few differences.
One requirement for Darwin's theory is that the mutational changes that supposedly fuel evolution somehow have to be "fixed" into the population. Otherwise, the DNA changes quickly drift right back out of the population. The researchers found no evidence that mutational changes relevant to longevity had been fixed into the fruit fly populations."

Does this mean that Evolution can't exist or does it mean that it takes more for it to kick into effect than we once imagined?

2011-01-23 07:26 PM

Kym
Royal Oak, MI
Posts: 5

I'm sorry, but the phrasing here doesn't make sense, and it would be too much work to explicate. The short answer is that NO, this in no way suggests that evolution doesn't exist.

2011-01-23 10:15 PM

indianacarnie
Jeffersonville, IN
Posts: 77

I agree with you Kym.

Look into the evolution if you have any doubts. While "straight Darwinism" has been amended due to newer evidence the basic premise has been proven over and over.

http://en.wikipedia.org/wiki/List_of_scientific_societies_explicitly_rejecting_intelligent_design

" in the scientific community there is essentially universal agreement that the evidence of evolution is overwhelming, and the scientific consensus supporting the modern evolutionary synthesis is nearly absolute,"
(from wikipedia cause I am in a hurry)

2011-01-24 09:52 AM

ChristyR
Denton, TX
Posts: 311

LLBarry, Could you provide the link to the article?

I assume it's from September of this past year?

Religious websites took that study and ran with it. When in reality, all the study did was confirm the "soft sweep" theory.

Check out this article:

http://www.genomeweb.com/blog/evolution-fruit-fly-evolution-human

2011-01-24 10:02 AM

indianacarnie
Jeffersonville, IN
Posts: 77

Thanks for the link ChristyR

http://www.physorg.com/news/2011-01-scientists-evolution-enzymes-nerve-gas.html

This article supports this too.

2011-01-24 10:17 AM

ChristyR
Denton, TX
Posts: 311

Thanks indianacarnie! Very interesting read!

2011-02-25 05:23 PM

J R
Long Island, NY
Posts: 6

Just because an organism evolved does not mean it is still evolving. Fruit flies may simply have evolved as far as they're going to. Look at horse shoe crabs. They've been the same for millions of years. No more evolving necessary.

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