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Originally posted by squiz
"Like I said, I'm all about the science. Experimental that is.
Is gene duplication a viable explanation for the origination of biological information and complexity?"
The answer to your question is contained within the abstract of the peer reviewed material.
Rather than answer with words that get twisted, I answered with actual science.
All life depends on the biological information encoded in DNA with which to synthesize and regulate various peptide sequences required by an organism's cells. Hence, an evolutionary model accounting for the diversity of life needs to demonstrate how novel exonic regions that code for distinctly different functions can emerge.
Clearly Darwinism and Darwinist are driven by an anti religious agenda and not by actual science. I agree with what is in the paper above.
Originally posted by Confusion42
An evolutionary transition that took several billion years to occur in nature has happened in a laboratory, and it needed just 60 days. Under artificial pressure to become larger, single-celled yeast became multicellular creatures. That crucial step is responsible for life’s progression beyond algae and bacteria, and while the latest work doesn’t duplicate prehistoric transitions, it could help reveal the principles guiding them.
Multicellular Life Evolves in Laboratory
So, what does everybody think? Doesn't this simply confirm what most of us have known?
IMO It seems like science is progressing exponentially fast.... And confirming Evolution along the way...
Originally posted by Barcs
Lets also not forget that your abstract has nothing at all to do with this experiment in multicelluarity. You are essentially saying that because evolutionary theory can't explain everything and hasn't experimented with everything imaginable that it must be wrong. Plus genetic mutations ARE new genetic information, so I'm not sure where that argument even fits or why you do not consider that.
Yet, when I posted the scientific evidence behind evolution you ignored it and instantly dismissed it. "I'm not reading your wall of links, instead you follow MY definition of evolution". Stop it already with the strawmans. If you want to discuss the evidence, by all means lets do it,
Originally posted by squiz
Originally posted by Barcs
Lets also not forget that your abstract has nothing at all to do with this experiment in multicelluarity. You are essentially saying that because evolutionary theory can't explain everything and hasn't experimented with everything imaginable that it must be wrong. Plus genetic mutations ARE new genetic information, so I'm not sure where that argument even fits or why you do not consider that.
Let's not forget that the post in question was an answer to the definition of biological information, contained with the first couple of lines of the abstract. I'm not saying anything like you describe. You've taken the post out of context.
And I'm the one making strawmen.
Ok, I think i understand your problem better with this statement.
"Plus genetic mutations ARE new genetic information"
Sorry, I'm not going to even bother. I suggest you read that abstract a little closer.
Yet, when I posted the scientific evidence behind evolution you ignored it and instantly dismissed it. "I'm not reading your wall of links, instead you follow MY definition of evolution". Stop it already with the strawmans. If you want to discuss the evidence, by all means lets do it,
"Follow MY definition of evolution" is another strawman, I never said any such thing.
Yes Let's discuss the evidence THAT'S WHAT I HAVE BEEN SAYING! . I'll ask for perhaps the fith time. Cite the one you believe provides proof of naturally occuring generation of biological information, but first learn what it is. So please, Just put up or shut up. I was very specific in my original request, in return you present dozens of links none of which address the issue.
This make complete sense now because you believe any random mutation is an increase in informaton. I don't think it is even possible to discuss the evidence based on that logic.
I can tell you right now, It doesn't exist. The closest we have is a synthetic replicatng cell. This was acheived by treating dna like what it actually is. Software.
And here we are discussing some science, yet you don't seem to have anything to offer.
edit on 24-1-2012 by squiz because: (no reason given)
The evolution of multicellularity requires an increasing role for natural selection among multicellular individuals, relative to selection among cells within individuals (1, 3, 15, 17, 27, 28). We investigated the transition between unicellular and multicellular life by studying two emergent traits of multicellular snowflake-phenotype yeast, cluster reproduction, and settling survival. New clusters can potentially arise by production of either unicellular or multicellular propagules. Examples of both modes of reproduction occur among extant multicellular species, including plants; propagules that develop from a single cell are common among animals (6). We determined the reproductive mode using time-lapse microscopy. Individual clusters were inoculated into 0.5-μL drops of fresh medium and grown overnight. In all cases, daughter clusters (with similar “snowflake” morphology) were produced as multicellular propagules (Fig. 3A and Movie S2). These propagules were released sequentially and not via mass dissolution of the parental cluster. In contrast to the unicellular ancestor, which divides into two daughter cells of similar size, propagules were consistently less than half the size of their parental clusters (Fig. 3B). No propagules were produced by clusters less than a minimal size, demonstrating that the snowflake phenotype exhibits juvenile/adult life stage differentiation
Originally posted by Confusion42
You say, Selection of Multicellular Traits. The evolution of multicellularity requires an increasing role for natural selection among multicellular individuals,
And than because of that quote, you tell us that based on that , whats need is "proof of naturally occuring generation of biological information"
an evolutionary model accounting for the diversity of life needs to demonstrate how novel exonic regions that code for distinctly different functions can emerge. Natural selection tends to conserve the basic functionality, sequence, and size of genes and, although beneficial and adaptive changes are possible, these serve only to improve or adjust the existing type.
First, the whole statement there, it's a FINDING....
The experiment proved that FINDING, that statement is not "a requirement of Evolution" simply, it is a "a requirement of evolution that this team of scientists both observed, duplicated, discovered mode by which it happened, etc."
I am hoping somebody more studied in this type of biology can explain this better than me. But clearly, the fact that you partial quote and use that as a benchmark, is a true reflection to the lowly depths you go ...
Originally posted by squiz
The reason the clumps would "give birth" is because of increased apoptosis (death). weakening the cluster and allowing chunks to break off.
I don't see any specialized behaviour amongst the cells, as in separate functions. I haven't heard the reseachers make this claim, only the media. The areas along the break grow more propagules I believe. I don't think this can be classed as specialized.
They may also be reffering to the apparent "division of labour" amongst the cluster through the cells dying.
I believe this is interpreted as a means for the cluster to adjust the size and number of the propagules that give rise to new cells, once again this is because of the increased apoptosis.
The article portrays it like the yeast are working together but they didn't really have much choice in suicide since apoptosis was disrupted. They also have no choice but to clump because cell division regulation was knocked out.
To put it simply.
"Giving birth" is actually cells dying ("committing suicide") the cluster being weakened and peices falling off which in turn regulates the production of propagules along the break. ("division of labour").
Originally posted by squiz
Originally posted by Firepac
How is it that when we ask creationists to define what "genetic information" is, all we get is bitching and moaning?
Oh yes, this is bitching and moaning-
"Like I said, I'm all about the science. Experimental that is.
Is gene duplication a viable explanation for the origination of biological information and complexity?"
The answer to your question is contained within the abstract of the peer reviewed material.
Rather than answer with words that get twisted, I answered with actual science.
All life depends on the biological information encoded in DNA with which to synthesize and regulate various peptide sequences required by an organism's cells. Hence, an evolutionary model accounting for the diversity of life needs to demonstrate how novel exonic regions that code for distinctly different functions can emerge.
Seems like common sense to me.
I never mentioned god, I've only adressed the science with science, and stated some scientific facts. Like the no new information line. In return I get labelled and condescended. It's a typical response so I'm not surprised. That's what I refer to as bitching and moaning. I always try to answer with science.
I'm not religious.
Clearly Darwinism and Darwinist are driven by an anti religious agenda and not by actual science. I agree with what is in the paper above.
"an evolutionary model accounting for the diversity of life needs to demonstrate how novel exonic regions that code for distinctly different functions can emerge"
Seems like that would be obvious however Darwinism has not demonstrated this.
Originally posted by abeverage
reply to post by Confusion42
Evolution does not rule out God in many religions other than the Abrahamic ones...And mine too!
Cool scientists really playing God now...or how do you explain under "artificial" pressure?
Originally posted by squiz
Originally posted by Confusion42
...
an evolutionary model accounting for the diversity of life needs to demonstrate how novel exonic regions that code for distinctly different functions can emerge. Natural selection tends to conserve the basic functionality, sequence, and size of genes and, although beneficial and adaptive changes are possible, these serve only to improve or adjust the existing type.
Novel, as in new unique coding sequence that code for new novel proteins for new novel functions. This has been the subject of several experimental tests to find the constraints of Darwinian evolution. And it's not too promising, it's looking quite impossible.
First, the whole statement there, it's a FINDING....
The experiment proved that FINDING, that statement is not "a requirement of Evolution" simply, it is a "a requirement of evolution that this team of scientists both observed, duplicated, discovered mode by which it happened, etc."
I am hoping somebody more studied in this type of biology can explain this better than me. But clearly, the fact that you partial quote and use that as a benchmark, is a true reflection to the lowly depths you go ...
This is useless, you make an assumption which was wrong and then accuse me of dirty tactics based on your interpretation, whatever that is. Again with the strawmen.
The comment was not in relation to anything in the article but a basic tenant of evolutionary theory!
Yes it's a finding, another example of adaption through loss of function, THE RESEARCHERS THEMSELVES SAID IT!
Never did I say that random mutation and natural selection can't accomplish anything. The difficulty is that these adaptions come from mutations that break other functions, this places large limits on what random mutation and natural selection can achieve as in the diversity of life. It's only logical.
Why is that soooo hard to understand? The researchers said it themselves, "THIS IS A LOSS OF FUNCTION NOT A GAIN OF FUNCTION!
Seriously I give up, I constantly have to restate things for people who just don't get it.
The evolution of multicellularity requires an increasing role for natural selection among multicellular individuals,
The evolution of multicellularity requires an increasing role for natural selection among multicellular individuals, relative to selection among cells within individuals (1, 3, 15, 17, 27, 28).
The evolution of multicellularity requires an increasing role for natural selection among multicellular individuals, relative to selection among cells within individuals (1, 3, 15, 17, 27, 28). We investigated the transition between unicellular and multicellular life by studying two emergent traits of multicellular snowflake-phenotype yeast, cluster reproduction, and settling survival. New clusters can potentially arise by production of either unicellular or multicellular propagules. Examples of both modes of reproduction occur among extant multicellular species, including plants; propagules that develop from a single cell are common among animals (6). We determined the reproductive mode using time-lapse microscopy. Individual clusters were inoculated into 0.5-μL drops of fresh medium and grown overnight. In all cases, daughter clusters (with similar “snowflake” morphology) were produced as multicellular propagules (Fig. 3A and Movie S2). These propagules were released sequentially and not via mass dissolution of the parental cluster. In contrast to the unicellular ancestor, which divides into two daughter cells of similar size, propagules were consistently less than half the size of their parental clusters (Fig. 3B). No propagules were produced by clusters less than a minimal size, demonstrating that the snowflake phenotype exhibits juvenile/adult life stage differentiation
Originally posted by Firepac
Originally posted by squiz
Originally posted by Firepac
How is it that when we ask creationists to define what "genetic information" is, all we get is bitching and moaning?
Oh yes, this is bitching and moaning-
"Like I said, I'm all about the science. Experimental that is.
Is gene duplication a viable explanation for the origination of biological information and complexity?"
The answer to your question is contained within the abstract of the peer reviewed material.
Rather than answer with words that get twisted, I answered with actual science.
All life depends on the biological information encoded in DNA with which to synthesize and regulate various peptide sequences required by an organism's cells. Hence, an evolutionary model accounting for the diversity of life needs to demonstrate how novel exonic regions that code for distinctly different functions can emerge.
Seems like common sense to me.
I never mentioned god, I've only adressed the science with science, and stated some scientific facts. Like the no new information line. In return I get labelled and condescended. It's a typical response so I'm not surprised. That's what I refer to as bitching and moaning. I always try to answer with science.
I'm not religious.
Clearly Darwinism and Darwinist are driven by an anti religious agenda and not by actual science. I agree with what is in the paper above.
"an evolutionary model accounting for the diversity of life needs to demonstrate how novel exonic regions that code for distinctly different functions can emerge"
Seems like that would be obvious however Darwinism has not demonstrated this.
Nice quote mining. Why don't you post the actual article rather than the abstract? Is it perhaps that the article isn't trying to prove what you think it is?
Okay god placed the first cell on earth. Now how does that disprove evolution? How life arose is completely irrelevant to how it evolves. The fact that creationists continue to equate abiogenesis with evolution is a strawman setup to make the subject seem more complicated then it actually is. Is this really the best you've got?
ROFLMAO you honestly expect anyone to believe that? Do creationists keep forgetting that lying is a sin?
Actually there's only 2 theories on gravity and neither of them addresses the origins of gravity. Then again I'm not expecting someone who lacks even the most basic understanding of science to get it.
The high deleterious mutation rate in humans presents a paradox. If mutations interact multiplicatively, the genetic load associated with such a high U [detrimental mutation rate] would be intolerable in species with a low rate of reproduction [like humans and apes etc.] . . . The reduction in fitness (i.e., the genetic load) due to deleterious mutations with multiplicative effects is given by 1 - e -U (Kimura and Moruyama 1966). For U = 3, the average fitness is reduced to 0.05, or put differently, each female would need to produce 40 offspring for 2 to survive and maintain the population at constant size.
Widely recognized geneticist James Crow in an article in the same Nature issue agrees that the deleterious rate is more likely twice the rate cited by Eyre-Walker and Keightley8. So if we use Crow's revised rate of U=3, we get: B = 2e^3 = 40 births before we get one offspring that escapes a new defect!
2 great papers? Those are biased creationist websites clearly using deception to connect dots which shouldn't be connected. I'll get more in depth later, but seriously, look at what you are quoting. Read the actual studies.
Originally posted by Bob Sholtz
they don't actually create new information, just duplication of what is already there.
Originally posted by Bob Sholtz
btw, gene duplication is incredibly rare as are beneficial mutations. too rare to allow humans to evolve.
Originally posted by Bob Sholtz
cells don't have an unlimited amount of genetic information. therefore, how that information began, and how much of it was created, is paramount to evolution. at any rate, evolutionists failing to address how abiogenesis occurred hurts the credibility of evolution. it would be like a physicist explaining the expansion of the universe without addressing what caused the expansion to happen in the first place. if you had a valid answer as to how abiogenesis can occur, you'd give it.
Originally posted by Bob Sholtz
there's general relativity (primarily a theory of gravity), a theory that involves a small particle called a "graviton",
Originally posted by Bob Sholtz
err...yes. why wouldn't you believe it?
Originally posted by Bob Sholtz
most humans are shallow, stupid, and lack the ability to form their own ideas.
First you say that beneficial mutations are impossible now it's too rare to allow humans to evolve? The talking snake cultists can't even get their lies straight.
"God placed the first cell on earth. How does that disprove evolution?"
Graviton???? WTF!?!?!?!?!? Can you please show me where in general relativity does it mention gravitons? Your lack of understanding of physics is pretty astounding. A 5 year old would've known this.
Originally posted by Bob Sholtz
i read them both, and i read the papers they cited (the numbers given in the papers come from research done by evolutionists). there is evidence of bias being exhibited by the evolutionist papers, but i guess you don't consider it bias if it supports your faith.
i'm holding you to this. cite some scholarly sources that debunk the rate of mutations and the 1/40 odds of a child being born without new harmful mutations or admit evolution is a farce.
Originally posted by Bob Sholtz
lets say you have a 1500 word research paper. it is a very well worded paper. now, i come along and change a few letters around randomly. what are the odds it will make the paper better? very remote.
Originally posted by Bob Sholtz
you claimed life arose from abiogenesis without any evidence to support this at all. however, no, god placing the first cell doesn't necessarily disprove evolution, but mutation rates do a fine job. you claimed that how life began has no bearing on what that life does. that is incorrect.