articulett
Banned
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- Jan 18, 2005
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And rttjc...all mutations that stick around and spread rapidly are beneficial.
http://www.msnbc.msn.com/id/19733274
We know that certain mutations that protected people from the plague...confer a protective effect against AIDS on their descendants. The genes that in their homozygous form (2 copies) causes sickle cell anemia protects against Malaria in it's heterozygous form...and such mutations have evolved more than once in malaria prone regions.
http://www.msnbc.msn.com/id/19733274
We know that certain mutations that protected people from the plague...confer a protective effect against AIDS on their descendants. The genes that in their homozygous form (2 copies) causes sickle cell anemia protects against Malaria in it's heterozygous form...and such mutations have evolved more than once in malaria prone regions.