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How Dawkins Misrepresents Evolution!
As a creationist, I often get statements from individuals that natural selection doesn't work by chance.
I realize the fact that natural selection doesn’t work by chance, but natural selection doesn't produce biological traits or variations. Genes produce biological variations. Natural selection simply "selects" those variations from genes that help with survival. Evolutionists believe that chance mutations in the genetic code will produce the variations that natural selection can act upon. There is no evidence that chance mutations in the genetic code will produce more complex genes for natural selection to "select" or act upon. Thanks to the popular writings of evolutionst Richard Dawkins, these individuals are confusing natural selection with genetic mutations. They do not understand the difference.
The biological variations have to come first before "natural selection" can do anything. Evolutionists must depend on chance mutations in the genetic code to provide natural selection with entirely new and more complex genes and not just variations of already existing genes. But, again, there is no evidence that chance mutations can or will provide increasingly more complex genes for natural selection to act upon so that evolution would be possible from simpler species to more complex ones.
Furthermore, a partially-evolved organ, even if it could evolve by chance, would have no survival value so it would never be "selected" by natural selection. Species cannot wait millions of years to evolve organs that are necessary for survival!
Natural selection is not an active force. It is a passive process in Nature. Only those variations that have survival value will be "selected" or be preserved. Once a variation has survival value then, of course, it’s not by chance that it is “selected”. But, natural selection, itself, does not produce or design those biological variations. The term "natural selection" is simply a figure of speech. Nature does not do any active or conscious selecting. It is an entirely passive process. “Natural selection” is just another way of saying “natural survival”. If a biological change occurs that helps a species to survive then that species, obviously, will survive (i.e. be “selected”).
Here’s an example of natural selection.
An animal produces offspring of various skin colors, but only some of its offspring have the color that would help them to survive better in their environment because their color makes it more difficult for their natural enemies to find them. The others eventually get discovered by their natural enemies and get killed, but the ones that inherit the favorable change in color end up surviving. The ones that end up surviving are called "selected". Of course, Nature didn't do any conscious selecting. The term "natural selection" is a figure of speech. It's a passive process in Nature. That's all! It's not a creative or designing force in Nature, folks! Please understand the limits of natural selection.
Also, natural selection operates only once there is life and not before. So, it cannot apply to any supposed evolutionary process bringing about life. The important point to keep in mind is that natural selection is not a creative or designing force. Remember, it can only “select” from what has been produced or created!
Again, thanks to Dawkins, many have confused natural selection with evolution itself. Natural selection works with evolution but it is not evolution itself. Again, since natural selection can only "select" from biological variations that are possible, the real question to be asking is what kind of biological variations are naturally possible. How much biological variation (or how much evolution) is naturally possible in Nature?
The evidence from science shows that only microevolution (variations within a biological "kind" such as the varieties of dogs, cats, horses, cows, etc.) is possible but not macroevolution (variations across biological "kinds", especially from simpler kinds to more complex ones). The only evolution that occurs in Nature is microevolution (or horizontal evolution) but not macroevolution (vertical evolution).
The genetic ability for microevolution exists in Nature but not the genetic ability for macroevolution. The genes (chemical and genetic instructions or programs) for microevolution exist in every species but not the genes for macroevolution. Unless Nature has the intelligence and ability to perform genetic engineering (to construct entirely new genes and not just to produce variations and new combinations of already existing genes) then macroevolution will never be possible in Nature.
We have varieties of dogs today that we didn't have a couple of hundred years ago. All of this is just another example of microevolution (horizontal evolution) in Nature. No matter how many varieties of dogs come into being they will always remain dogs and not change or evolve into some other kind of animal. Even the formation of an entirely new species of plant or animal from hybridization will not support Darwinian evolution since such hybridization does not involve any production of new genetic information but merely the recombination of already existing genes.
Modifications and new combinations of already existing genes for already existing traits have been shown to occur in nature but never the production of entirely new genes or new traits. This is true even with genetic mutations. For example, mutations in the genes for human hair may change the genes so that another type of human hair develops, but the mutations won't change the genes for human hair so that feathers, wings, or entirely new traits develop. Mutations may even cause duplication of already existing traits (i.e. an extra finger, toe, etc. even in another part of the body!), but none of these things qualify as new traits.
Evolutionists believe that, if given enough time, random or chance mutations in the genetic code caused by random environmental forces such as radiation will produce entirely new genes for entirely new traits which natural selection can act upon or preserve.
However, there is no scientific evidence whatsoever that random mutations have the ability to generate entirely new genes which would program for the development of entirely new traits in species. It would require genetic engineering to accomplish such a feat. Random genetic mutations caused by the environment will never qualify as genetic engineering!
Mutations are accidents in the sequential molecular structure of the genetic code and they are almost always harmful, as would be expected from accidents. Of course, just like some earthquakes that don't do any damage to buildings, there are also mutations that don't do any biological harm. But, even if a good mutation does occur for every good mutation there will be hundreds of harmful ones with the net result over time being disastrous for the species.
Furthermore, only those mutations produced in the genes of reproductive cells, such as sperm in the male and ovum (or egg cell) in the female, are passed on to offspring. Mutations and any changes produced in other body cells are not transmitted. For example, if a woman were to lose a finger it would not result in her baby being born with a missing finger. Similarly, even if an ape ever learned to walk upright, it could not pass this characteristic on to its descendants. Thus, modern biology has disproved the once-held theory that acquired characteristics from the environment can be transmitted into the genetic code of offspring.
Most biological variations within a biological kind (i.e. varieties of humans, dogs, cats, horses, mice, etc.) are the result of new combinations of already existing genes and not because of mutations.
For those who are not read-up on their biology, a little information on genes would be helpful here. What we call "genes" are actually segments of the DNA molecule. DNA, or the genetic code, is composed of a molecular string of various nucleic acids (chemical letters) which are arranged in a sequence just like the letters found in the words and sentences of a book. It is this sequence of nucleic acids in DNA that tells the cells of our body how to construct (or build) various proteins, tissues, and organs such as nose, eyes, brain, etc. If the nucleic acids in the genetic code are not in the correct sequence then malfunctioning, or even worse, harmful proteins may form causing serious health problems and even death.
There is no law in science that nucleic acids have to come together in a particular sequence. Any nucleic acid can just as easily bond with any other. The only reason for why nucleic acids are found in a particular sequence in the DNA of the cells of our bodies is because they are directed to do so by previously existing DNA. When new cells form in our bodies the DNA of the old cells direct the formation of the DNA in the new cells.
The common belief among evolutionists is that, if given millions of years, radiation and other environmental forces will cause enough random changes (mutations) to occur in the sequential structure of the genetic code of a species so that entirely new sequences for entirely new genes will develop which in turn will program for the formation of entirely new biological traits, organs, and structures that natural selection can then act upon.
Would it be rational to believe that by randomly changing the sequence of letters in a cookbook that you will eventually get a book on astronomy? Of course not! And if the book were a living being it would have died in the process of such random changes.
Such changes, as transforming one book into another or the DNA of one species into the DNA of another, especially one more complex, simply cannot occur by random or chance alterations. It would require intelligent planning and design to change one book into another or to change the DNA of a simpler species into the DNA of a more complex one.
Yes, it is true that the raw biological materials and chemicals to make entirely new genes exist in every species, but the problem is that the random forces of nature (i.e. radiation, etc.) simply have no ability to rearrange those chemicals and biological materials into entirely new genes programming for entirely new traits. Again, mutations only have the ability to produce variations of already existing traits. It would require intelligent manipulation of genetic material (genetic engineering) to turn a fish into a human being. The random forces of the environment cannot perform such genetic engineering!
Furthermore, a half-evolved and useless organ waiting millions of years to be completed by random mutations would be a liability and hindrance to a species - not exactly a prime candidate for natural selection. In fact, how could species have survived over, supposedly, millions of years while their vital (or necessary) organs were still in the process of evolving!
How, for example, were animals breathing, eating, and reproducing if their respiratory, digestive, and reproductive organs were still incomplete and evolving? How were species fighting off possibly life-threatening germs if their immune system hadn't fully evolved yet?
Scientist and creationist Dr. Walt Brown, in his fantastic book "In The Beginning", makes this point by saying, "All species appear fully developed, not partially developed. They show design. There are no examples of half-developed feathers, eyes, skin, tubes (arteries, veins, intestines, etc.), or any of thousands of other vital organs. Tubes that are not 100% complete are a liability; so are partially developed organs and some body parts. For example, if a leg of a reptile were to evolve into a wing of a bird, it would become a bad leg long before it became a good wing."
Usually what is meant by the term "biological kind" is a natural species but this may not always be the case. The key to keep in mind here is that in order for evolution in nature to occur from one biological "kind" to another biological "kind" entirely new genes would have to be generated and not just merely modifications and/or recombination of already existing genes. If, for example, offspring are produced which cannot be crossed back with the original stock then there is, indeed, a new species but if no new genes or traits developed then there is no macro-evolution (variation across biological kinds) and the two distinct species would continue to belong to the same "kind".
If the environment doesn't possess the ability to perform genetic engineering and if macro-evolution really did not occur then how else can one explain the genetic and biological similarities which exist between various species and, indeed, all of life. Although it cannot be scientifically proven, creationists believe that the only rational explanation for the genetic and biological similarities between all forms of life is due to a common Designer who designed and created similar functions for similar purposes and different functions for different purposes in all of the various forms of life from the simplest to the most complex. Even humans employ this principle of common design in planning the varied architecture of buildings!
If humans must use intelligence to perform genetic engineering, to meaningfully manipulate the genetic code, then what does that say about the origin of the genetic code itself!
Young people, and even adults, often wonder how all the varieties or "races" of people could come from the same human ancestors. Well, in principle, that's no different than asking how children with different color hair ( i.e., blond, brunette, brown, red ) can come from the same parents who both have black hair.
Just as some individuals today carry genes to produce descendants with different color hair and eyes, humanity's first parents possessed genes to produce all the variety and races of men. You and I today may not carry the genes to produce every variety or race of humans, but humanity's first parents did possess such genes.
All varieties of humans carry genes for the same basic traits, but not all humans carry every possible variation of those genes. For example, one person may be carrying several variations of the gene for eye color ( i.e., brown, green, blue ) , but someone else may be carrying only one variation of the gene for eye color ( i.e., brown ). Thus, both will have different abilities to affect the eye color of their offspring.
Some parents with black hair, for example, are capable of producing children with blond hair, but their blond children (because they inherit only recessive genes) will not have the ability to produce children with black hair unless they mate with someone else who has black hair. If the blond descendants only mate with other blondes then the entire line and population will only be blond even though the original ancestor was black-haired.
Science cannot prove we're here by creation, but neither can science prove we're here by chance or macro-evolution. No one has observed either. They are both accepted on faith. The issue is which faith, Darwinian macro-evolutionary theory or creation, has better scientific support.
If some astronauts from Earth discovered figures of persons similar to Mt. Rushmore on an uninhabited planet there would be no way to scientifically prove the carved figures originated by design or by chance processes of erosion. Neither position is science, but scientific arguments may be made to support one or the other.
What we believe about life's origins does influence our philosophy and value of life as well as our view of ourselves and others. This is no small issue!
Just because the laws of science can explain how life and the universe operate and work doesn't mean there is no Maker. Would it be rational to believe that there's no designer behind airplanes because the laws of science can explain how airplanes operate and work?
Natural laws are adequate to explain how the order in life, the universe, and even a microwave oven operates, but mere undirected natural laws can never fully explain the origin of such order.
Of course, once there is a complete and living cell then the genetic program and biological mechanisms exist to direct and organize molecules to form into more cells. The question is how did life come into being when there was no directing mechanism in Nature. An excellent article to read by scientist and biochemist Dr. Duane T. Gish is "A Few Reasons An Evolutionary Origin of Life Is Impossible" (http://icr.org/article/3140/).
There is, of course, much more to be said on this subject. Scientist, creationist, debater, writer, and lecturer, Dr. Walt Brown covers various scientific issues ( i.e. fossils, "transitional" links, biological variation and diversity, the origin of life, comparative anatomy and embryology, the issue of vestigial organs, the age of the earth, etc. ) at greater depth on his website at http://www.creationscience.com.
On his website, Dr. Brown even discusses the possibility of any remains of life on Mars as having originated from the Earth due to great geological disturbances in the Earth's past which easily could have spewed thousands of tons of rock and dirt containing microbes into space. In fact, A Newsweek article of September 21, 1998, p.12 mentions exactly this possibility.
An excellent source of information from highly qualified scientists who are creationists is the Institute for Creation Research (http://www.icr.org) in San Diego, California. Also, the reader may find answers to many difficult questions concerning the Bible (including questions on creation and evolution, Noah's Ark, how dinosaurs fit into the Bible, etc.)at http://www.ChristianAnswers.net.
It is only fair that evidence supporting intelligent design or creation be presented to students alongside of evolutionary theory, especially in public schools which receive funding from taxpayers who are on both sides of the issue. Also, no one is being forced to believe in God or adopt a particular religion so there is no true violation of separation of church and state. As a religion and science writer, I encourage all to read my Internet article "The Natural Limits of Evolution" at my website http://www.religionscience.com for more in-depth study of the issue.
The author, Babu G. Ranganathan, is an experienced Christian writer. Mr. Ranganathan has his B.A. degree with concentrations in theology and biology. As a religion and science writer he has been recognized in the 24th edition of Marquis Who's Who In The East. The author's articles have been published in various publications including Russia's Pravda and South Korea's The Seoul Times. The author's website may be accessed at: www.religionscience.com.
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July 25, 2008 at 09:46 pm by Babu G. Ranganathan, 380 views, 5 comments



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Comments (5)
at 22:25 on July 25th, 2008
Babu G. Ranganathan, thanks for the post, however, this is not a news story. I wasn't sure what was newsworthy in this story. Please review What Makes News News or check out our J-Tips for more help. Thanks.
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Koowan (not verified)at 02:18 on July 26th, 2008
Ignorant hogwash. Will you creationists at least try to come up with some new material? The fact that new genes have been produced purely by mutation and natural selection is news that is years old. It's really sad that creationists must be willingly ignorant to post such nonsense. Only someone completely ignorant of basic genetic research would even attempt to deny the facts.
at 02:30 on July 26th, 2008
Babu G. Ranganathan, I like this story. It's good stuff. I don't know whether or not this article ranks as being news, but if some scientist ever makes something from nothing, that sure will be news. It has never happened and never will. Only One has ever done such a great feat! Psalm 53:1 sums it up!
Thanks for the interesting data.
Mary
at 21:32 on July 26th, 2008
I looked up Psalm 53:1, Mary.
I'm surprised to find this series of psalms to be full of spiteful hatred.
I really don't understand how so many humans still rely on the archetypes presented by the 'highest' levels of intelligence achieved over 2000 years ago, when knowledge, and the capacity of the human brain, has evolved such fabulous capacity for creative interpretations of 'life' –and, while scientists rely on 'old paradigm' language concepts to translate their findings for secular readers, the point is that they have done a sufficient job in 'revealing' that humans are made up of more than 90% non-human life forms which work toward advancing human intelligence toward 'comprehending' infinite intelligence through developing our capacity for compassionate love. I see this as the source of our "innate spiritual impulse" because at the core of our being we do know that we are all one –entirely interdependent.
at 21:33 on July 26th, 2008
Ranganathan claims that "There is no evidence that chance mutations in the genetic code will produce more complex genes for natural selection". This is simply untrue. There are many mechanisms known in biology where by which organisms can increase their genetic complexity.
1... different organisms can exchange genetic material with each other. This often happens amongst bacteria where genes can be transferred from one bacteria to another. Bacterial genes are usually transferred to members of the same species but occasionally transfer to other species can also occur. Such transfers can add to the genetic material, ie not just substitute. Some bacteria can even take up new DNA from the environment.
2... Viruses can insert their genetic material into the chromosomes of animals, again this can augment not just replace existing genetic material.
3... Mistakes in the replication of chromosomes as cell division occurs can result in some cells ending up with extra chromosomes or fewer chromosomes.
All these mechanisms can result in increased amount and complexity of genetic material, not just the altering of one gene into another.