Genetic Mutation May Have Allowed Early Humans to Migrate Throughout Africa

By analyzing genetic sequence variation patterns in different populations around the world, three teams of scientists from Wake Forest Baptist, Johns Hopkins University School of Medicine and the University of Washington School of Medicine, Seattle, demonstrated that a critical genetic variant arose in a key gene cluster on chromosome 11, known as the fatty acid desaturase cluster or FADS, more than 85,000 years ago. 

This variation would have allowed early humans to convert plant-based polyunsaturated fatty acids (PUFAs) to brain PUFAs necessary for increased brain size, complexity and function. 

The FADS cluster plays a critical role in determining how effectively medium-chain PUFAs found in plants are converted to the long-chain PUFAs found in the brain.

http://www.sciencedaily.com/releases/2012/09/120919190100.htm

Tänk vad dom kan, dagens medicinmän och kvinnor...

Till skillnad från oss ekonomer som numera framstår som inkompetenta deltagare i en underavdelning av det vi föraktade mest, sociologi....



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