What Is Werner Syndrome?
3. Prevalence
As mentioned, Werner syndrome is very rare. This is partly because both parents must have passed on the gene to their child for them to have the condition. The condition is more common in Sardinia, Italy, and Japan. Even in these locations it will still only affect around 1 in every 30,000 people.
The reason for the condition’s higher prevalence in these regions is thought to be down to a phenomenon known as a founder mutation. This means that a mutation occurred when the population was low, and this means it is now carried by a higher percentage of the population. Elsewhere in the world, only around 1 in every 200,000 people will have the condition.
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