Answer:
Lactose intolerance is when your body can't break down or digest lactose. Lactose is a sugar found in milk and milk products. Lactose intolerance happens when your small intestine does not make enough of a digestive enzyme called lactase. Lactase breaks down the lactose in food so your body can absorb it.
Explanation:
Answer:
It is the result of a mutated message in your chromosomes. Chromosomes do not just determine how you look but they control all the processes of the cells in an organism.
