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Don't tell me there's no proof for evolution

 
 
farmerman
 
  1  
Reply Sun 25 Nov, 2007 11:55 am
The same guy that referees English Lit. Hes a busy dude.
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spendius
 
  1  
Reply Sun 25 Nov, 2007 01:19 pm
They say weasels can get through narrow cracks but they have nothing on you fm.
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real life
 
  1  
Reply Mon 26 Nov, 2007 08:21 am
parados wrote:
real life wrote:
Setanta wrote:


A trait does not need to be advantageous to appear repeatedly in a population, either--it simply needs not to be disadvantageous.


So why do traits that are disadvantageous appear repeatedly in a population?


It's called variety within the species. If the trait is truly disadvantageous as you claim then it will stop being repeated because those that have it will not be able to breed because they are disadvantaged.


So then, if we simply ignore genetically based diseases they will just go away?

(If our species is as old as you suppose , then the disadvantageous traits should be gone already , shouldn't they? )

Why then bother to help genetically defective individuals survive? Aren't we acting contrary to evolutionary principle in doing so?

Is medicine fundamentally at odds with the process of evolution?
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cicerone imposter
 
  1  
Reply Mon 26 Nov, 2007 08:27 am
real life wrote:
parados wrote:
real life wrote:
Setanta wrote:


A trait does not need to be advantageous to appear repeatedly in a population, either--it simply needs not to be disadvantageous.


So why do traits that are disadvantageous appear repeatedly in a population?


It's called variety within the species. If the trait is truly disadvantageous as you claim then it will stop being repeated because those that have it will not be able to breed because they are disadvantaged.


So then, if we simply ignore genetically based diseases they will just go away?

Does your ignorance have no limits?

(If our species is as old as you suppose , then the disadvantageous traits should be gone already , shouldn't they? )

It's been shown here and on many a2k topics that you understanding of science is nill.

Why then bother to help genetically defective individuals survive? Aren't we acting contrary to evolutionary principle in doing so?

Well, it seems god is responsible for creating those genetically defective individuals. We humans are only trying to impove on god's works; you know, like human surgeons separating siamese twins?

Is medicine fundamentally at odds with the process of evolution?

You provide us the answer?
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fungotheclown
 
  1  
Reply Mon 26 Nov, 2007 08:28 am
Medicine doesn't counteract evolution, but it does redefine "fittest" quite a bit. For most of humanity, survival is no longer dependent on the ability to survive on one's own, but rather to survive within the society. Traits that increase your earning potential or ability to attract a mate are now the primary contributors to the passing on your genes; the latter because it effects the likelihood you will have children, and the former because it increases your survival odds by allowing you to afford better medical care.

As far as genetically based disorders are concerned (they are disorders, not disease btw), they will not just disappear if we ignore them for long enough because they are a result of the random mutation that occurs naturally.
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real life
 
  1  
Reply Mon 26 Nov, 2007 09:04 am
fungotheclown wrote:
As far as genetically based disorders are concerned (they are disorders, not disease btw)


Do folks in Rolla say 'He has heart disease' or 'He has heart disorder' ?
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cicerone imposter
 
  1  
Reply Mon 26 Nov, 2007 09:09 am
Heart disease is any disorder of the heart.
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fungotheclown
 
  1  
Reply Mon 26 Nov, 2007 09:26 am
That depends on whether its an infection or a genetic disorder, realife. A disease results from a toxin created by a microscopic organism or malnutrition, or direct physical damage created by a microscopic organism. A disorder results from genetic anomalies or physical damage that results in a permanent malfunction of a biological process. Thus, heart disease is a disease, and genetic disorders are disorders.

On a side note, I noticed that you had no response to my answers to your questions concerning evolution. I assume that means you understand and accept them, and thus the theory?
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Setanta
 
  1  
Reply Mon 26 Nov, 2007 09:56 am
The member "real life" comes up with some hilarious sh*t. So what if modern medicine were "fundamentally at odds with the process of evolution?" Evolutionary theory, unlike bible-thumper scritpure, is not something which it alleged that one traduces at one's peril. In fact, a good case could be made that as the ability of humans to manipulate their environment to increasingly finite degrees is an evolutionary advantageous trait, the use of modern medical science to assure the survival of individuals with traits which might have killed them in the past could be reasonably described as a part of the process of evolution.

Additionally, "real life" is playing fast and loose with words and definitions here--which is typical. So, for example, if someone has a genetic make-up which would pre-dispose them to a degenerative condition in middle age, that cannot be said to be, at least in evolutionary terms, a "disadvantageous trait." A trait is only disadvantageous if it prevents individuals from passing on their genetic make-up, prevents reproduction. Any condition which arises after individuals have reached reproductive maturity, or which arising sooner, does not prevent successful reproduction, cannot be said to be disadvantageous in evolutionary terms.
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Setanta
 
  1  
Reply Mon 26 Nov, 2007 10:07 am
No greater disservice could have been done to the understanding of evolutionary theory than the popularization of the expression "survival of the fittest." It is what fuels the nonsense in this debate. Tediously, i will repeat that there is no superlative applicable to the concept of "fitness." Any individual which survives is fit. Any trait which allows the individuals of a species to survive to reproductive age, and to successfully reproduce makes the species fit. There is no superlative--either an individual or a species survives, and is therefore "fit," or it does not, and is therefore "unfit." Additionally, it is not a case of any trait or array of traits making any individual "more fit" than another, or "less fit." So long as no traits in an individual or a species creates a survival and reproductive debility, those individuals or species are fit.

I have already alluded to lions and cheetahs living side by side in the same environment, and exploiting different food sources, and therefore not competing. All cats are carnivorous predators. So long as no single trait, or no array of traits, prohibits the individual cats or any species of cat from successfully hunting to survive to reproduce, those individuals or species possessing that trait, or that array of traits, are fit.
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spendius
 
  1  
Reply Mon 26 Nov, 2007 10:49 am
Pure sophistry and of a very low order of merit.
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Setanta
 
  1  
Reply Mon 26 Nov, 2007 11:31 am
Drivel duly delivered, and we expect no less.
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parados
 
  1  
Reply Mon 26 Nov, 2007 11:37 am
real life wrote:
parados wrote:
real life wrote:
Setanta wrote:


A trait does not need to be advantageous to appear repeatedly in a population, either--it simply needs not to be disadvantageous.


So why do traits that are disadvantageous appear repeatedly in a population?


It's called variety within the species. If the trait is truly disadvantageous as you claim then it will stop being repeated because those that have it will not be able to breed because they are disadvantaged.


So then, if we simply ignore genetically based diseases they will just go away?
What kind of nonsense is that? "Disadvantaged" means they are unable to breed. As was already pointed out before you posted your ridiculous question, many genetic diseases don't show up until later in life. That might make someone "disadvantaged" in the ability to work at the age of 50 but it doesn't make them "Disadvantaged" from an evolutionary stand point and prevent them from breeding at 18.
Quote:

(If our species is as old as you suppose , then the disadvantageous traits should be gone already , shouldn't they? )
Why do you think recessive genes would disappear? If the gene is not disadvantageous when it is recessive then there is no reason for it to disappear.

Let's assume a gene is either A or G. In the event it is GG the creature dies at birth. If it is AG the creature lives. That means any creatures that are AA or AG would live and breed. There is no disadvantage to have the G recessive gene. 3/4 of the offspring of 2 AG parents would survive.

Quote:

Why then bother to help genetically defective individuals survive? Aren't we acting contrary to evolutionary principle in doing so?
Why would you think it would be contrary to evolution for creatures to survive?

Quote:

Is medicine fundamentally at odds with the process of evolution?
No. Why would it be? Survival only means the environment needs to be such that a creature will survive. There is nothing that says the creature can't change it's environment to make it more likely to survive. Because we made our environment so that people that need medicine survive doesn't violate the process of evolution. If something happens so humans no longer practice medicine than the environment will have changed again. Those that don't need medicine to survive will.
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spendius
 
  1  
Reply Mon 26 Nov, 2007 11:54 am
Why did the Greeks expose infants to the cold nights?

There is some loose use of "fit" going on here. Margaret Rawcliffe was fit.
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Setanta
 
  1  
Reply Mon 26 Nov, 2007 12:02 pm
If you have a basis for asserting a more complex definition of "fit," then present your evidence. I don't expect that, though. Your style is to sneer, and then obfuscate the basis for your sneer with references to your eclectic musings, absent any demonstration that they apply to the discussion in hand.

If you have a basis for asserting that my remarks on "fitness" are "sophistry," present your argument. I don't expect, however, so see anything more than your self-centered preening on the excellence of your obscure understanding.
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parados
 
  1  
Reply Mon 26 Nov, 2007 03:59 pm
spendius wrote:
Why did the Greeks expose infants to the cold nights?

There is some loose use of "fit" going on here. Margaret Rawcliffe was fit.


Evolution might consider you fit Spendi since evolution doesn't define fit by whether you have a screw loose or not.
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spendius
 
  1  
Reply Mon 26 Nov, 2007 06:52 pm
Right on mate.

Fit is when you go "Phwoarr!!" when you see it.
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spendius
 
  1  
Reply Tue 27 Nov, 2007 06:03 am
Setanta wrote-

Quote:
If you have a basis for asserting a more complex definition of "fit," then present your evidence.


I think your ideas on "fit" are confused. You switch from individuals to species just as it suits you. It is already well recognised that advances in medical science risk endangering the species as a whole. How can someone with a weak immune system be deemed "fit" simply because they contribute to a birth?

You make no allowance for female submission driven by force, economic necessity, propriety or indoctrination. You can't mix up biological urges, which go in cycles, with any of those. Germaine Greer explained all that to justify her "All men are rapists" clarion call. Didn't Mr Mailer get his dick out and bang it on the table at a NYC public meeting in response? That's what the reports said. And Ms Greer also said- "Men are like carrots--cheap and plentiful and easily cooked."

By your definition a contributor to a sperm bank, even one mistakenly chosen due to a labelling error, is fit if his sample is used to start a pregnancy. The female could possibly be a virgin. Thus virgin birth.

A man may deem himself fit under your definitions where his wife is impregnated by another man without his knowledge. That is said to be more common than one might think. I know two cases. Also the man who is used is unfit by your definition despite him being the real father and having been chosen by the female on the "Phwooar" principle which is the only biological aspect of the matter. Many a lady has two, or more, lovers and if she becomes pregnant she simply chooses one to be the husband. Sometimes one of the lovers refuses marriage so she marries the other.

One has to stop oneself thinking of women as "living dolls".

Thorstein Veblen said that the illegitimacy rate represents the triumph of the hormones over the proprieties. That is what a "love child" is as opposed to a life-style choice birth which Mr Mailer disapproved of so much.

You are taking what happens under promiscuity conditions and confusing it with what happens under arrangements found in the Book of Etiquette which Stendhal said was the most important book in literature.
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farmerman
 
  1  
Reply Tue 27 Nov, 2007 06:46 am
Very Happy SET, dont you ever dare lecture me again for attempting to carry on a conversation to pry sense out of suspendius. Hes friggin hopeless. He nicely demonstrates his utter ignorance of biological fitness( amongsts a plethora of other concepts) , then he attempts to susbtitute items from his own dimension in theirplace. Hes a dim bulb parading as a budgie that has had a few blank phrases in his training program.

AWKKKK Thorsten Veblen, Graaaawk George Le Meitre, AAAWK.

Dont you dare. Very Happy
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spendius
 
  1  
Reply Tue 27 Nov, 2007 07:35 am
That my friends is an example, quite a good one actually, of what Alain de Botton referred to as a Verdurin.

A Verdurin is a figure of speech taking its name from Marcel Proust's character Mme.Verdurin.

Quote:
Mme. Verdurin had dedicated her life to rising in the social world, but she finds herself ignored by those she most desires to know.


Quote:
There are few outward signs that Mme. Verdurin is bothered by her situation. She asserts with apparent conviction that anyone who refuses to invite her or come to her salon is merely a 'bore'. Even the President, Jules Grevey (gravy joke possibly), is a bore.

The word is perversely appropriate. for it is the direct opposite of what Mme. Verdurin in fact judges any grand figure to be. These figures excite her so much and yet are so innaccessible to her that all she can do is camouflage her disappointment in an unconvincing display of insoucience.


fm is merely being expansive on the notion and fluffing it up a bit in order to display his prowess at literary facility.

I think he is also attempting to forge stronger links with Setanta who, in turn, allows him the privilege, which he denied to me, of addressing him familiarly as "Set".

He self-evidently has no answers to any of the points raised in my post to which he has tangentially touched at an infinitessimal point on the curve.
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