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Among individuals in a population, the ability or non-ability to digest lactose is primarily dependent on ______

User Mmgross
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Final answer:

The ability to digest lactose is primarily dependent on the enzyme lactase. Lactose intolerance is a condition where individuals lack or have a deficiency of lactase, making them unable to digest lactose.

Step-by-step explanation:

The ability or non-ability to digest lactose, a sugar found in milk, is primarily dependent on the enzyme lactase. Lactase is responsible for breaking down lactose into smaller, more easily digestible sugars. Individuals who lack or have a deficiency of lactase are unable to digest lactose and are therefore considered lactose intolerant. This condition is primarily influenced by genetic factors.

User Phil Pirozhkov
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