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#61
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Camanintx :
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Biologist speak freely of the ‘ DNA code,’ or the ‘ language of Dna’ and for a very good reason... Because that’s precisely what it is, there’s NO dispute about that. There’s a vast amount of information contained in Dna/ Rna... And that information certainly means something to intelligent minds/scientists capable of deciphering /reading it. ___________ There are four kinds of nucleotides in Dna ( C, A, G, and T ) . And starting at the beginning of a gene , which encodes for a specific protein, every sequential grouping of 3 Dna letters or triplet ( also known as a Codon, ) say CAG, or AAT... encodes for a specific amino acid , of the 20 possible varieties...Note Bien: there are 64 different codons altogether ( 4 times 4 times 4 ) BUT there are only 20 Amino Acids, so there’s a fair bit of redundancy. ( please see the * ADDENDUM * to this ! ) But any biologist, anywhere on earth, at anytime can read these Codons sequentially and say ‘ a ha’ ....valine, lysine, etc...Which is basically a lot like the way our own written language works...We read the letters of a word in sequence ( for example) ‘ CAT’ and we say ‘ Ok that word symbolizes a certain kind of animal '... if you’re intelligent and you understand English/ the alphabet ... you can readily decipher pretty much any meaningful sentence I type ...well that's my hope at least ![]() ... And by the same token , a biologist can read a long sequence of Dna, separate all the codons ( which we might liken to carefully worded instructions in a recipe/cook book ) put together all the amino acids/ ingredients, it calls for, in the correct order, and say ...’ Eureka'...' I know this recipe'...it’s the recipe for ‘ hemoglobin’ ( for instance ) ...In other words , this snippet of Dna or gene, provides all of the information/ instructions for making hemoglobin. ( it's symbollic obviously because it isn't hemoglobin, but just a code explaining how to make it ) Now if DNA was NOT a code/ symbolic language... intelligent scientists could never repeatedly make the quantum leap from identifing Dna nucleotides , numbering literally billions, inclusive of tens of thousands of genes...TO saying ' aha' ...here's the blueprints/recipe for literally tens of thousands of different proteins Surely the precept that DNA=' A CODE ' argument is on SOLID / NEIGH IRREFUTABLE GROUND EH ? Unless u think, all those geneticists have been making lucky guesses all along ? Ok let's move on... __________________ Camanintx : Quote:
Well what I’m doing here is making an ‘ argument based on inference.’ Because every other comparable code we know about ( or can even imagine ) requires an intelligent mind to create/ devise it. It is therefore quite reasonable to ‘ infer’ that the same must be true of DNA , based on our understanding/ untold centuries of experience with symbolic codes/ languages.... ...Arguing otherwise would basically be akin to asserting that this MESSAGE mindlessly/ randomly wrote itself...WHICH WOULD BE SHEER NONSENSE ! ( not to mention far far more improbable that randomly picking two dozen scrabble squares , in the correct sequence, out of a hat ! ) There are many other variations of this DNA=AN INTELLIGENT CODE argument/ requiring an Intelligent Author ( sorry I don’t know the name of its originator ) some delve deeply into ‘ information theory’ and also into a derivation ( some would day a bastardization ) of the second Law of Thermodynamics , known ( in this case ) as ‘ Informational entropy’ Dna DOES contain information ( so the ‘ Informational entropy’ argument goes ) and since ALL informational sequences/ information carrying signals etc , IF EXPOSED TO THE RANDOM FORCES OF CHAOS, invariably degrade over time, ( Note Bien ) they never but NEVER increase in complexity / information carrying capacity by sheer chance... it follows, that biological evolution CANNOT have been underpinned by random mutations/ blind Darwinian forces... ___________ Quote:
Also Camanintx : I disagree that most DNA mutations if random would be neutral...The vast majority of Genetic errors, should they occur in a gene, DO tend to be harmful in very short order , if not DEADLY... Remember the hemoglobin example ? only a single altered Amino Acid , one out of 287, produced a 25 percent DEATH RATE ...This could be accomplished by a single nucleic change in the corresponding gene ...resulting in a Codon which said : ' don’t give me this AA, give me that one instead ' As for the rest of your commentary ( in a related post ) ...very little is known about that part of DNA where no genes reside...which scientists used to call ‘ Junk DNA’...BUT most geneticists now believe that ' junk DNA' is anything but junk ( if may have a crucial role to play in fetal development for example + so-ooooo much more ) ...Let’s recall that scientists can only guestimate the number of human genes, at this point, and they're unanimous in saying that these known / suspected genes CAN"T come close to carrying enough data to account for the complexity of organisms such as ourselves... **** as for the rest of your comments Camanintx ...I fear YOU STILL DON’T GET IT ! Random mutations, have to fashion a fully functioning gene , first and foremost ( at the very minimum ! )...in order to produce something valuable ...a single novel protein in this case...Which Natural Selection can then say : ' yeah baby ! Give me more of that Before That Happens ... there’s NOTHING NOVEL / NADA / ZILCH...of value for Natural Selection to Select ! GET IT ??? So we're not really evolving yet, much less moving toward novel organs/ species...we're basically just reshuffling pre-existing genes within an already existing species...which insofar as Darwin's proposed ' Origin of ( Novel ) Species' Goes...GETS US NO WHERE ! Since randomly/blindly producing a novel gene...is much much much much much much more difficult/less probable than just pulling the phrase ‘ Darwinism is impossible !’ blindly out of a hat ...my analogy remains completely appropos ! Whereas, your analogy does NOT hold any water...You can’t be picking and choosing the words you recognize and keeping them Kemosabey ( and call this Natural Selection ) ...Your example is NOT Darwinian !...You’re applying INTELLIGENCE to the problem and that’s CHEATING in a Darwinian world...Now if you’ve suddenly converted to the ‘ Intelligent Design’ hypothesis ...I stand corrected : ) In my opinion, even achieving a single novel gene via random mutation is naught but a pipe dream/ Darwinian fantasy... and in this OP I'm far from alone ! Quote:
In my estimation...CHEERS AGAIN GANG/ GOTTA FLY/ BYE Last edited by Hela cells/lab pandemic; 02-14-2008 at 01:19 PM. |
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#62
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Note to Yossarian : I’ll try to apply myself to devising a more sophisticated probabilistic model vis a vis amino acids / proteins Abiogenesis/ prebiotic blind evolution ( or at least try to research mathematicians/ scientists who have done so )......plus respond to ur numerous ( as of yet unaddressed ) criticisms..BUT I’ll need some time for this ...
In the interim , what’s say u apply ur consider intellect ( and NO I’m NOT being facetious in this instance ) to the DNA=code=denotes an Intelligent Agent / ‘ informational entropy’ arguments Yossarian...and see what ( if any ) flaws you can expose...just a friendly request/suggestion PEACE OUT |
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#63
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"Can omniscient God, who knows the future, find the omnipotence to change His future mind?" -- Karen Owens |
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#64
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I may be intruding in your airspace Ymir, but this really annoys me
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I will write in big letters in the hopes that this sinks in You provide evidence against the null hypothesis. Quote:
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Don't worry about people stealing your ideas. If your ideas are any good, you'll have to ram them down people's throats. ~Howard Aiken |
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#65
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...bla bla bla...
Theists who are using the "Intelligent Design" argument, can you please explain what an "unintelligent design" would look like? Thanks. |
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#66
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This is going to need some very very high level mathematics to pull off considering there is the issue of time and space to plug in. You will need a set of mathematical parameters for everything to start off with, and to my knowledge, none exist for protein synthesis. I have seen one or two rough estimations which are good enough for small scale analysis, but abiogensis is not small scale, it is large scale. All the worlds a stage... Quote:
I could certainly define a model, but it serves as only an arbitrary device which would bend to the whim of whoever used it, making it much like the Drake equation. I could prove the general concept behind Darwinism with a few examples, but they do not factor in entropy or the dozens of other variables. Here is a simple example of a randomly generated AI which will play tic-tac-toe. There are a couple interesting things about tic-tac-toe which makes it possible to produce a 'random AI'. 1. There are a finite number of possible board configurations. 2. The rules never change. First we start by giving every possible board configuration a number, removing any repetitions. We have a set of possible board configurations for every turn. Now we just play against our AI. The AI will randomly pick a move from it's list of possible moves. If the resulting move results in an unfavorable position for the AI or results in a loss, we lower the probability of said move occurring. Doing this a couple hundred times results in an AI fine tuned for playing tic-tac-toe. This example is not limited to tic-tac-toe. any board game with a finite number of possible configurations can have a 'random AI' constructed for it. Increasingly complex games require a great deal of time before the AI grows a brain (so to speak) In order for this example to apply to Darwinism, we must assume two things 1. The rules never change. This is a necessary assumption for science in general, and is not unreasonable 2. The effect of other variables are negligible to the overall function of the system. Now this assumption may be reasonable or not depending on your point of view. Depending on your point of view, you can take this example as strong evidence, weak evidence, or inapplicable.
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Don't worry about people stealing your ideas. If your ideas are any good, you'll have to ram them down people's throats. ~Howard Aiken |
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#67
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Science has nothing to do with "proof." Proof is the realm of mathematics. Science collects, tests and evaluates data.
When there is a great deal of evidence supporting a scientific theory and no empirical evidence against it, the theory is described as fact. It i still, of course, subject to further investigation and possible disproof. |
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#68
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