Science, Creation & Evolutionhumans run to scavange???I haven'y read the whole thing but from what i do know about it you are mostly right, while the "marathon runner" hypothesis is interesting and possible it is difficult to check and has little to no predictive power. I was simply explaining that the reasons for dismissing it were flawed and did not give any reason to doubt evolution and adopt creationism. The hypothesis is difficult to check but entirely possible In most of the world it you are correct, sickle cell is not a good mutation if there is not malaria in that area. However it is part a "balanced lethal system" (a very rare type of system where only the heterozygote is viable) in areas where malaria is present. If you are homozygous for sickle cell you die of anemia, if you are homozygous normal you die of malaria, if you are heterozygous you gain the benefits of the mutation (malaria resistant) without the anemia. It is a good mutation with bad side affects, without the mutation no one would have been able to live in areas with a high density of malaria carying mosquitoes thus it is a beneficial mutation it just doesn't do a good job of it. (Also if creationism is right and "God" designed and created everything he did a REALLY bad job with this gene, surely he could have done better than this) - However i think this is getting a bit off topic and doesn't really contribute much to the overall debate so i suggest we leave this alone unless you want to continue. This i don't understand, i was asked if i could name a beneficial mutation. Thus i mentioned an instance of a beneficial mutation. I also don't understand what you mean by "they are still viruses and still identifiable as to type of virus", what do you mean by type of virus and what does it have to do with me naming a beneficial mutation? A beneficial mutation is a change in the genetic code that increases its chance at reproducing, it doesn't matter if it is done by a virus or by a human it is still an example of a beneficial mutation. |
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