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Author Topic:   No Abiogenesis, no Evolution, then what?
Percy
Member
Posts: 22495
From: New Hampshire
Joined: 12-23-2000
Member Rating: 4.9


Message 120 of 173 (307209)
04-27-2006 9:00 PM
Reply to: Message 118 by inkorrekt
04-27-2006 8:23 PM


Re: Waht did you leanr in School?
inkorrekt writes:
What is information?
You already know this.Do not you? What did you learn in school? Was it pictures, calculations Stories? What did your teachers impart you with?
Chiroptera was probably just checking to see if you knew that information has a formal definition. Scientific conceptions of information are Shannon information (see http:///DataDropsite/Shannon.pdf). Creationists like William Dembski, Werner Gitt and Lee Spetner have suggested their own alternative definitions of information that haven't found acceptance within the scientific community.
What I think Chiroptera is trying to point out is that before you can make claims about creating information or whether it increases or decreases you first have to have a formal definition of information that permits you to measure it. Otherwise you have no way to answer questions like, "Which genome has more information, the chimp or the human?"
--Percy

This message is a reply to:
 Message 118 by inkorrekt, posted 04-27-2006 8:23 PM inkorrekt has not replied

  
Percy
Member
Posts: 22495
From: New Hampshire
Joined: 12-23-2000
Member Rating: 4.9


Message 126 of 173 (307302)
04-28-2006 8:52 AM
Reply to: Message 121 by inkorrekt
04-27-2006 10:08 PM


Re: what is information?
inkorrekt writes:
Mutation and selection cannot produce new information.
As the other replies have made clear, you haven't provided a useful definition of information. A useful definition would provide a method for quantifying information in order to test assertions, such as that mutation and selection cannot produce new information (Gitt's Theorem 9 verbatim).
Using Shannon information (again, his landmark paper can be found at http:///DataDropsite/Shannon.pdf) we can measure how much information is present in a population for a given gene. For example, the gene for eye color in a population of squirrels may include three different colors: red, green and brown (the different types of a gene are called alleles, so therefore this gene for eye color has three alleles: red, green and brown). Three eye colors can be represented in log23 = 1.59 bits of binary data. The number of bits of information needed to represent three eye colors can be used as a measure of the amount of information contained in the eye color gene for this squirrel population.
Now let's say that one squirrel couple gives birth to a baby squirrel with a mutation in the eye color gene that gives its eyes the color yellow. The population of squirrels now has four eye color alleles for the eye color gene: red, green, brown and yellow. The amount of information needed to represent four alleles of eye color is log24 = 2 bits. So the amount of information in the eye color gene has increased from 1.59 bits to 2 bits, an increase of .41 bits.
The new baby squirrel grows to adulthood and has many children, some of whom inherit the yellow eye color allele. The new allele gradually spreads through the population. Since the new eye color has not been selected against, it becomes a new allele of the eye color gene for the squirrel population, and the amount of information contained in that gene has increased by .41 bits.
This falsifies Gitt's Theorem 9 that mutation and selection cannot produce new information.
--Percy

This message is a reply to:
 Message 121 by inkorrekt, posted 04-27-2006 10:08 PM inkorrekt has replied

Replies to this message:
 Message 130 by inkorrekt, posted 05-02-2006 9:56 PM Percy has replied

  
Percy
Member
Posts: 22495
From: New Hampshire
Joined: 12-23-2000
Member Rating: 4.9


Message 128 of 173 (307359)
04-28-2006 11:12 AM
Reply to: Message 127 by inkorrekt
04-28-2006 11:07 AM


Re: what is information?
inkorrekt writes:
No one has given any explanation as to how information can arise without intelligence.
I just provided an example of how information arises without intelligence in Message 126.
--Percy

This message is a reply to:
 Message 127 by inkorrekt, posted 04-28-2006 11:07 AM inkorrekt has not replied

  
Percy
Member
Posts: 22495
From: New Hampshire
Joined: 12-23-2000
Member Rating: 4.9


Message 133 of 173 (308709)
05-03-2006 7:58 AM
Reply to: Message 130 by inkorrekt
05-02-2006 9:56 PM


Re: what is information?
inkorrekt writes:
The discussion here is on what is information. For the alleles, progenies and even mutants, the basic genetic information is necessary. A modified gene still has information as the DNA code. You had asked me the question: What is information.
I was only asking you for your definition of information because your claims about it cannot be interpreted without knowing how you define it. I already know what information is from a scientific perspective, and I provided you the link, not once but twice, to Shannon's landmark paper that established the field of information theory.
Now, I have to repeat the same to you.
I just did, in the very message you're replying to, Message 126.
I provided a detailed example of the Shannon definition of information. More generally, the number of binary bits required to communicate one message of a set of messages (eye colors was my example) is the log base 2 of the number of messages. So if there are three eye colors to communicate, then the amount of information is:
log23 = 1.59 binary bits
Let us say the eye colors are red, green and brown. This gene then experiences a mutation that adds an allele for the eye color yellow. This gene now has four alleles (red, green, brown, and now yellow). The amount of information in the population for this gene is now:
log24 = 2 binary bits
Since 2 is greater than 1.59, the amount of information has increased. As I said before, this falsifies Gitt's Theorem 9 that mutation and selection cannot produce new information.
--Percy

This message is a reply to:
 Message 130 by inkorrekt, posted 05-02-2006 9:56 PM inkorrekt has replied

Replies to this message:
 Message 134 by inkorrekt, posted 05-06-2006 4:18 PM Percy has not replied
 Message 135 by inkorrekt, posted 05-06-2006 4:19 PM Percy has replied

  
Percy
Member
Posts: 22495
From: New Hampshire
Joined: 12-23-2000
Member Rating: 4.9


Message 136 of 173 (309762)
05-06-2006 4:32 PM
Reply to: Message 135 by inkorrekt
05-06-2006 4:19 PM


Re: what is information?
inkorrekt writes:
What you have shown here is a quantification of the data in the form of bytes.This is one way ( today's high tech age, this is the digital information).
Whether it is digital / analogue,it is a form of expression. This even does not explain what is information.
I've provided you the scientific definition of information. Since you don't accept this definition, how do you define information, and how would you apply that definition to my example of eye color to determine whether information has increased or not?
--Percy

This message is a reply to:
 Message 135 by inkorrekt, posted 05-06-2006 4:19 PM inkorrekt has not replied

  
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