The process known as gene conversion has been studied in the context of the evolution of human populations. Researchers found that a bias toward certain types of DNA sequences during gene conversion may be an important factor in why certain heritable diseases persist in populations around the world.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/d60M49xukU0/141002123639.htm
DNA ‘bias’ may keep some diseases in circulation, biologists show
2 October 2014
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