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page 11 of 11 Evolution of the Influenza Virus Quick Check 1 of 51 of 5 Items Question Why did 40% of the human population evolve to tolerate lactose?(1 point) Responses People who have an intolerance experience physical pain, so a tolerance evolved to avoid that. People who have an intolerance experience physical pain, so a tolerance evolved to avoid that. Lactose tolerance allows people to enjoy a wide variety of food, including milk, butter, ice cream, and cheese. Lactose tolerance allows people to enjoy a wide variety of food, including milk, butter, ice cream, and cheese. Within cultures that rely on milk-producing animals, individuals who tolerated lactose had a survival advantage. Within cultures that rely on milk-producing animals, individuals who tolerated lactose had a survival advantage. Babies rely on milk to survive, so they need to be able to tolerate lactose. Babies rely on milk to survive, so they need to be able to tolerate lactose. Skip to navigation
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The correct response to the question about why 40% of the human population evolved to tolerate lactose is:
**Within cultures that rely on milk-producing animals, individuals who tolerated lactose had a survival advantage.**
This response highlights the evolutionary advantage of lactose tolerance in populations that have historically depended on dairy products as a food source.
**Within cultures that rely on milk-producing animals, individuals who tolerated lactose had a survival advantage.**
This response highlights the evolutionary advantage of lactose tolerance in populations that have historically depended on dairy products as a food source.