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Author Topic:   Random mutations
Wounded King
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Posts: 4149
From: Cincinnati, Ohio, USA
Joined: 04-09-2003


Message 31 of 35 (211375)
05-26-2005 5:33 AM
Reply to: Message 30 by Wounded King
05-24-2005 4:58 AM


There has in fact been some research already done into compressing DNA.
Compression is very different to decompression in this case however. The algorithms mainly work by reducing the space taken up by repeated sequences, this does not correspond to a way to get functional genomic information out of such simple repeat sequences.
TTFN,
WK

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Wounded King
Member
Posts: 4149
From: Cincinnati, Ohio, USA
Joined: 04-09-2003


Message 32 of 35 (271753)
12-22-2005 2:45 PM


Bump
I thought it might be worthwhile bringing this thread back up. The current Great Debate between Faith and RobinRohan (with backing vocals by Pinksasquatch), 'Proofs of Evolution: A Mediocre Debate (Faith, robinrohan and their invitees) has touched upon non-random mutation, and I know it is a subject that Randman has brought up in passing several times. I thought it might be good to open up the discussion of this topic to the membership in general.
TTFN,
WK
This message has been edited by Wounded King, 22-Dec-2005 07:45 PM

  
randman 
Suspended Member (Idle past 4889 days)
Posts: 6367
Joined: 05-26-2005


Message 33 of 35 (271891)
12-23-2005 12:33 AM
Reply to: Message 6 by Rrhain
11-25-2003 5:59 PM


explain "selection"
How does selection force a mutation to occur? It's clear how selection selects among mutations that are occuring, but how does natural selection, so strong as you say, dictate what the mutation will be in the first place?
What is the mechanism? How does the bacteria, for example, know what to mutate in adaptive mutations?
Remember the claim is not the mutations are merely selected for after the fact, but that before they are selected for, bacteria offer up, so to speak, mutations in one environment that are favorable and in a different environment, they do not. That is the claim of adaptive mutations, right?

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randman 
Suspended Member (Idle past 4889 days)
Posts: 6367
Joined: 05-26-2005


Message 34 of 35 (271893)
12-23-2005 12:37 AM
Reply to: Message 21 by Wounded King
05-19-2005 2:49 AM


Re: Not stopping, but slowing.
But errors in replication are the fundamental tool needed to evolve.
So in our world, imperfection is necessary. Perfection could bring about extinction and death.
Just a thought for those that always consider the idea of a Designer that creates a world with imperfections to be illogical.

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Wounded King
Member
Posts: 4149
From: Cincinnati, Ohio, USA
Joined: 04-09-2003


Message 35 of 35 (272001)
12-23-2005 11:56 AM
Reply to: Message 34 by randman
12-23-2005 12:37 AM


Re: Not stopping, but slowing.
That's certainly a reasonable philosophical argument, but what holds true as a requirement for evolution of nucleic acids need not hold true for anything else.
Certainly perfection would suggest nothing more than stasis would be possible, there being no improvement possible.
Just a thought for those that always consider the idea of a Designer that creates a world with imperfections to be illogical.
I believe they only suggest that if the designer is also supposed to be (omni)benevolent. Presumably such a benevolent designer would not produce circumstances in which the perfection he himself creates is going to lead to extinction and death.
Such speculation however is not only off topic but entirely unamenable to scientific discussion.
TTFN,
WK

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