How is being a carrier of Cystic Fibrosis advantageous?

Answer

Carriers of the mutations which cause Cystic Fibrosis do not have the disease, but they are more resistant to dehydration caused by electrolyte imbalances. This conveyed an advantage to Europeans during Typhoid and Cholera epidemics.

Updated on March 29, 2018

Original Article:

The Heterozygote Advantage: Examples of Disease-Causing Genes That Give Humans an Edge
By Leah Lefler
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