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| Subject: | | Re: Evolution |
| From: | |
uselessinfo
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posted
Wed, Sep 5 2007, 10:49am
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This seems to be copied out of a 5th grade text book which we all have read and some bought and some did not, which is why we have a site such as this.This theroey of mutations being the sorce of change seems a very desperite means of trying to salvage this evolution theroey trend.
If you study any mutations you will see none are benifitial to the spieces & all kill the creature with out human interferance.
If you find it hard to beleive that we came from something better than us, just look at what your saying, WE came from nothing,that turned into a rock that grew into grampa? |
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| Subject: | | Re: Evolution |
| From: | |
Supercryptid
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posted
Thu, Sep 20 2007, 10:53pm
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I'm a Christian, but I have something to say in regards to this post.
Your claim that there are no beneficial mutations is incorrect. First, let me explain that the common definition for beneficial and the mutational definition for beneficial can differ. In terms of natural selection, a beneficial mutation is a mutation that increases an organism's chances of surviving to maturity and reproducing or increases the chances for that organism's offspring reaching maturity and reproducing. A harmful mutation reduces its own prevelance in a population over time, whereas a beneficial mutation increases its own prevelance in a population over time (unless some event kills the individual or group that carries that founding mutation before it can spread).
An example of a mutation that can be beneficial in the right circumstances is the sickle-cell mutation. In people that carry two copies of the sickle-cell allele, it typically is harmful. However, an individual that carries only one copy of the allele has none of the negative symptoms of the disease, but they also have a resistance to malaria. This is called "heterozygote advantage". In regions where malaria is prevelant, having 1 copy of this mutated sickle-cell allele will be beneficial because it will give you an advantage over those people that don't resist malaria. Hence, the sickle-cell mutation is preserved and spreads in these areas. |
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| Subject: | | Re: Evolution |
| From: | |
wisker
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posted
Sat, Oct 6 2007, 3:38am
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Im sorry I cant seem to find where i stated that there are no beneficial mutations. If I had you did a very good job of proving your point it was so good that i used it to help a fellow member understand how a mutation can be good. so thank you |
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| Subject: | | Re: Evolution |
| From: | |
wisker
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posted
Sat, Oct 6 2007, 3:40am
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i now see that you were talking to the guy i used your post as a reference to sorry about the confusion |
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| Subject: | | Re: Evolution |
| From: | |
wisker
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posted
Sat, Oct 6 2007, 3:33am
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I never stated that i believed in this theory of evolution. You are correct that it resembles somthing out of a 5th grade text book. I wrote it very simply so that anyone even the younger members who frequent this site can read and understand as well as the adults.If you read the following post in which one mentions sickle cell anemia and its corelation to malaria you will find that some mutations do benifit the species.
in response to your last statement: Is it possible that an omnipitent being created life so that it could evolve not stating i believe this, but could that be possible. |
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| Subject: | | Re: Evolution |
| From: | |
labete
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posted
Thu, Dec 27 2007, 6:09am
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Four interesting things about evolution.
1. It is not observable or repeatable in a lab or in the natural world - our lives are too short (sadly) to truely examine it!
2. It flies in the face of the second law of thermo-dynamics which states that all things are going from a state of organization to chaos.
3. There are far too many gaps in the fossil record that need filling for the theroy to truely be the ultimate answer (hopefully someday these will be filled, but since Darwins time (150yrs) our technology has not been able to help us as Darwin thought it would).
4. The irriducible complexity of single celled organisims have yet to be disproven. i.e. we cannot present a theory or experiment that will account for the basic building block of life being formed from a "primordial ooze" let lone the DNA that is needed as the blueprint to start life. A cingle cell can contain enough data to fill a small library if it was all printed on 15# paper with a size 10 font.
Evolution is an answer to a humanistic world view where we look for answers in "natural (what we can observe)" ways. We must have faith that all things happen naturally and that there are no other possibilities. "Intelligent designers" do the same thing by using a supernatural means to spark life rather than a natural one. I am a numerical taxonomist, trained in evolutionary biology at a major university in oklahoma. I just wanted to put forth my thoughts as I am struggling with a theory that I have cherished for years. I always look at what is missing before I look at what I already have... |
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