Certain small towns in the western United States have remained isolated and inbred since their settlement many years ago.Some alleles are more common in these communities as compared to the rest of the population.This effect is known as

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The effect described is known as the founder principle, which occurs when a small group of individuals establishes a new population and their genetic makeup becomes more pronounced due to genetic drift. This can result in certain alleles being more common in the isolated population compared to the larger population from which they originated.

Certain Small Towns in the Western United States Have Remained