20 points and branlyist. PLZ HELP. How does the mutation that results in lactose tolerance affect people? decreases the likelihood of bacterial infections
increases the likelihood of bacterial infections
prevents the breaking down of sugars in milk
helps break down sugars in milk

Some individuals have inherited changes in this element that lead to sustained lactase production in the small intestine and the ability to digest lactose throughout life. People without these changes have a reduced ability to digest lactose as they get older, resulting in the signs and symptoms of lactose intolerance.

Explanation:

digestion

it excretes wastes