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.

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.

Lactose tolerance allows people to enjoy a wide variety of food, including milk, butter, ice cream, and cheese.

1 answer

The correct response is:

Within cultures that rely on milk-producing animals, individuals who tolerated lactose had a survival advantage.

Lactose tolerance evolved in populations that domesticated dairy animals and consumed milk as a food source, providing nutrition and hydration, especially in environments where other food sources were scarce.