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Author Topic:   Evolution of the Eye
JonF
Member (Idle past 189 days)
Posts: 6174
Joined: 06-23-2003


Message 46 of 55 (58104)
09-26-2003 9:42 PM
Reply to: Message 39 by Fred Williams
09-26-2003 5:33 PM


Re: Le Fairytale Grandeure
Aren’t these authors trying to show how *fast* an eye can evolve?
No. Figuring out what they aretrying to show is left as an exercise for the student.
Do genetic deaths impact the rate at which new beneficial substitutions can fixate in populations?
Under some circumstances, yes. Care to name those circumstances?
[one per 300 generations] is a best-case number for the beneficial substitution rate.
Nope. I notice you ignored my point about assumptions. Care to name the assumptions which are requred for 1 per 300 to be the best-case number?
You are missing the point. What if a certain, specific step S had to occur before S+1?
Then step S+1 will not occur until after step S.
The model assumes the steps can happen in any order, yet another huge stretch but not as severe a leap as their total avoidance of the genetic death/substitution cost problem.
You are totally failing to understand. They do not assume that the steps can happen in any order. That is your myth.

This message is a reply to:
 Message 39 by Fred Williams, posted 09-26-2003 5:33 PM Fred Williams has not replied

  
sidelined
Member (Idle past 5929 days)
Posts: 3435
From: Edmonton Alberta Canada
Joined: 08-30-2003


Message 47 of 55 (58123)
09-27-2003 12:34 AM
Reply to: Message 42 by Fred Williams
09-26-2003 6:49 PM


Re: Le Fairytale Grandeure
Fred I am glad I have a chance to ask you a question.What is the creationist model that explains the details of how biology works at the level of dna? I do hope you won't simply fall off the radar to pop up at a later date.I have never heard the theory of creation and all the models of chemistry and physics that support this theory and I think it would be high time to see it in print and also see if you can explain things like energy and time and just how they apply to creation theory.
Please please please?
P.s. In order to keep it on topic could you explain to me the creation model explanation for fish that live in deep sea caves that possess eyes but are blind?
[This message has been edited by sidelined, 09-26-2003]

This message is a reply to:
 Message 42 by Fred Williams, posted 09-26-2003 6:49 PM Fred Williams has not replied

  
awinkisas
Inactive Member


Message 48 of 55 (58126)
09-27-2003 1:25 AM


I may be way in over my head here but something occured to me about one of Fred's posts.
Wow, a beneficial mutation rate of 100%, and a deleterious rate of 0%.
It has been pointed out on several occasions that the mammalian eye is far from perfect. In fact some of the features could be considered "deleterious". For instance the rods and cones facing in the opposite direction of incident light leading to nerve fibers passing in front of incident light leading to a large blind spot.
So, one doesn't have to assume a 100% beneficial mutation rate. A higher deleterious mutation rate serves to decrease the efficiency and may not reduce the functionality.

Replies to this message:
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Rei
Member (Idle past 7034 days)
Posts: 1546
From: Iowa City, IA
Joined: 09-03-2003


Message 49 of 55 (58128)
09-27-2003 1:32 AM
Reply to: Message 48 by awinkisas
09-27-2003 1:25 AM


And the thing is, the paper doesn't say that, it says quite the opposite. This has been pointed out to Fred several times (in fact, every claim he made against the paper has been torn apart), and he has yet to respond.
------------------
"Illuminant light,
illuminate me."

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 Message 48 by awinkisas, posted 09-27-2003 1:25 AM awinkisas has not replied

  
PaulK
Member
Posts: 17825
Joined: 01-10-2003
Member Rating: 2.2


Message 50 of 55 (58142)
09-27-2003 5:56 AM
Reply to: Message 36 by Fred Williams
09-26-2003 5:16 PM


Re: Fred's love of a good slander...
Well Fred I am afraid that I have to point out to you that insisting that you would have done it another way does not render a different approach WRONG.
Instead of insisting that they Nilson and Pelger are wrong because they didn't do it YOUR way, how about explaining what is wrong with the approach they actually used.

This message is a reply to:
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Replies to this message:
 Message 51 by JonF, posted 09-27-2003 10:08 AM PaulK has not replied

  
JonF
Member (Idle past 189 days)
Posts: 6174
Joined: 06-23-2003


Message 51 of 55 (58153)
09-27-2003 10:08 AM
Reply to: Message 50 by PaulK
09-27-2003 5:56 AM


Re: Fred's love of a good slander...
nstead of insisting that they Nilson and Pelger are wrong because they didn't do it YOUR way, how about explaining what is wrong with the approach they actually used.
I don't think he is capable of doing that ... because he thinks that he is doing that. His assumption that his way is the only way is too deeply ingrained, and he isn't very good at questioning himself.

This message is a reply to:
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sidelined
Member (Idle past 5929 days)
Posts: 3435
From: Edmonton Alberta Canada
Joined: 08-30-2003


Message 52 of 55 (58188)
09-27-2003 2:21 PM
Reply to: Message 42 by Fred Williams
09-26-2003 6:49 PM


Re: Le Fairytale Grandeure
OH FREEEDDD, FREEEDDDD. Come out to PLAYY-AYY!?

This message is a reply to:
 Message 42 by Fred Williams, posted 09-26-2003 6:49 PM Fred Williams has not replied

Replies to this message:
 Message 53 by PaulK, posted 09-27-2003 2:32 PM sidelined has not replied

  
PaulK
Member
Posts: 17825
Joined: 01-10-2003
Member Rating: 2.2


Message 53 of 55 (58189)
09-27-2003 2:32 PM
Reply to: Message 52 by sidelined
09-27-2003 2:21 PM


Waiting for Fred...
I'm still waiting for him to explain why he thinks that the RNA editing convergence is a problem for reconstructing phylogenies when the text he's quoting says that "Particular RNA editing systems display a narrow phylogenetic distribution..." and to show his evidence that Avida relies on what he calls truncation selection. I've been waiting over two weeks for the first of these.

This message is a reply to:
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Adminnemooseus
Administrator
Posts: 3974
Joined: 09-26-2002


Message 54 of 55 (58190)
09-27-2003 2:34 PM


This topic seems to be taking a turn towards the bad, especially message 52 (which I'm tempted to blank out). People, let's be nice.
AM
------------------
Comments on moderation procedures? - Go to
Change in Moderation?
or
too fast closure of threads

Replies to this message:
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sidelined
Member (Idle past 5929 days)
Posts: 3435
From: Edmonton Alberta Canada
Joined: 08-30-2003


Message 55 of 55 (58195)
09-27-2003 3:33 PM
Reply to: Message 54 by Adminnemooseus
09-27-2003 2:34 PM


I meant no disrespect or malcontent I simply have placed similar questions throughout numerous posts and the protaganists simply drop further discussion.It is no show of respect to drop discussion when honest questions are ignored.I do apologize nonetheless.
P.S. Did you see the movie that paraphrased line in post 52 came from?

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