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Lactose intolerance:
A. results from the lack of lactase
B. can be influenced by the environment
C. has a genetic basis
D. all of these
E. is a good example of biocultural evolution

Respuesta :

euden57

Answer:

The answer is A: results from the lack of lactase

Explanation:

Lactose intolerance is caused by the lack of the enzyme lactase, necessary for digestion. Their symptoms usually occur 30 minutes after eating the food with a feeling of nausea, bloating and vomiting. It can occur from the first months of life as well as in adulthood.

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