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One Would Think That Deleterious Genes Would Be Eliminated by Natural

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One would think that deleterious genes would be eliminated by natural selection,yet we have two human genetic disorders with a high carrier frequency,sickle-cell anemia and cystic fibrosis.Why has this high frequency for these conditions remained in the population?


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Hot Tub

A large tub filled with hot water and used for relaxation or hydrotherapy, often equipped with jets for massage.

Tinker Creek

A stream in Virginia, notably written about by Annie Dillard in her work "Pilgrim at Tinker Creek," exploring nature and life.

Shade Trees

Large trees planted specifically to provide shade and reduce heat in surrounding areas, often enhancing comfort and energy efficiency.

Sand Dunes

Natural accumulations of sand typically found in deserts and on beaches, shaped by the wind or water flow.

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