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Author Topic:   Is there really such a thing as a beneficial mutation?
NosyNed
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Posts: 9007
From: Canada
Joined: 04-04-2003


Message 79 of 223 (343124)
08-24-2006 7:45 PM
Reply to: Message 74 by Faith
08-24-2006 7:18 PM


What is possible...
And I for one am responding to that when I question that what science says is possible could actually produce the changes over billennia that evolved everything living, or in other words question the evolutionist idea of a beneficial mutation.
Then perhaps you should point out just what changes are too great to have arisen this way.
We can look at the differences between H. sapiens and our nearer relatives and see that we only need a small number of maintained beneficial differences a year to account for what we see.
ABE
What you miss is the nature of the real differences. You see the external form of life but it is driven by chemical changes that are what mutations are. We have found out how some, comparitively, very small chemical changes can produce large external changes.
Untill you understand all of that you will remain incredulous. It is astonishing! It is also real.
We look at larger differences and see that there seems to be no greater rate of conserved differences. The changes we see seem to be individually rather small. Differences in the chemistry of specific parts of our bodies that can produce large differences in things like our structure and our brains. These chemical differences are no where so great that the evolutionary explanation can not account for them.
Perhaps you have a specific case? Maybe you should put that forward?
The 6 million years that we have been diverging from our surviving relatives seems like a long time. When you divide the differences between us by that amount of time it takes only a small number of changes at each generation to accumulate them.
What we all have trouble grasping is that 6 million years is a very short amount of time. The 60+ million years we have been diverging from "rat-like" animals is also lots when you look at the relatively (to the time given) small changes from them.
You balk at our being related to unicellular life. How far are we from "rats" and how far are they from a worm?
From rats to worms was 10 times a long as from rats to us. From rats to us was 10 times as long as from our common ape ancestor to us.
And the changes, chemically from worms to rats to primates to us are not so great over those times. We share a lot.
ABE
You suffer from a focus on the external forms that you see. The real changes that mutations introduce are chemical. We have learned how small, comparitively small, changes there can produce profound changes in the body of an animal.
Until you understand all this you will remain incredulous. It is astonishing! It is also real.
Edited by NosyNed, : Add a bit

This message is a reply to:
 Message 74 by Faith, posted 08-24-2006 7:18 PM Faith has replied

Replies to this message:
 Message 84 by Faith, posted 08-24-2006 8:14 PM NosyNed has not replied

  
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