The Fugate family, also known as the "Blue People of Kentucky" have a condition known as methemoglobinemia which prevents hemoglobin from carrying oxygen and makes it difficult for unaffected hemoglobin to release oxygen to body tissues. These individuals had a blue complexion, but were otherwise healthy, with many living into their 80's or 90's. These individuals generally have methemoglobin levels of 10-20% of total hemoglobin. How does genetic drift account for the consistency of this level of methemoglobin?

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7 August, 23:21

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Albert Potter · Answer 1

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Benjamin Barton · Answer 2

The answer is C. Individuals with higher levels of methemoglobin have symptoms that prevent them from reproducing.