Did Tibetans Evolve the Ability to Live at High Altitudes?
October 17, 2017
The article linked to the picture below talks about how Tibetans can live at altitudes that others cannot. Did they evolve this ability? Yes, but it wasn't a result of microbes to man evolution or the creation of any new genetic information or programming. The article states, "scientists working with the largest-ever sample of Tibetan genomes have discovered seven new ways in which Tibetan genes have been tweaked to cope with high altitude, resulting in higher body mass index (BMI) and a boost in the body’s production of the vitamin folate". The article goes on to state, "Tibetans have evolved a suite of other biochemical adaptations that let their bodies use oxygen extremely efficiently".
The article goes on to discuss a few genetic "variants" that may provide Tibetans with the traits needed to survive. This is a great of example of how mutations can, in a small number of cases, create a beneficial trait for a given environment by changing the way our genetic programming executes and the way our bodies perform. What is most important about this article is that existing genetic information only changed. No new genes, no new information.
Click the image below to read a scientific article to support this statement.
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