In 1814, a few dozen British colonists founded a settlement on Tristan da Cunha, which is a group of small islands in the Atlantic Ocean. One of these individuals carried a recessive allele for retinitis pigmentosa, a retinal degeneration disorder. By the 1960s, the frequency of this allele was ten times higher on Tristan da Cunha than in the original population. This is an example of which genetic effect?

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Founder effect


Gene flow


Random mutation


Genetic bottleneck


asked Jun 24, 2013 in Genetics by GeneX ~Top Expert~ (7,947 points)

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Founder effect


answered Jun 24, 2013 by GeneX ~Top Expert~ (7,947 points)

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