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Talk:Counterexamples to Evolution (view source)
Revision as of 03:33, October 28, 2008
, 03:33, October 28, 2008→Chromosome example
: Random mutations are never beneficial. Please make your point after you have the evidence, not by referring to evidence that you don't have.--[[User:Aschlafly|Aschlafly]] 23:26, 27 October 2008 (EDT)
: Random mutations are never beneficial. Please make your point after you have the evidence, not by referring to evidence that you don't have.--[[User:Aschlafly|Aschlafly]] 23:26, 27 October 2008 (EDT)
::They can be, in the right circumstances. Take the SNP responsible for sickle cell anemia. A person homozygous for sickle cell will have a debilitating disease, but a heterozygous person is more resistant to malaria than a non-carrier and is not symptomatic for sickle cell. This is why sickle cell anemia is most prominent in ethnicities from malaria-stricken parts of the world. [[User:Corry|Corry]] 23:33, 27 October 2008 (EDT)