Question

What is the main cause of primary polycythemia?

a.

Exposure to low oxygen levels

b.

Smoking

c.

Mutation in the body's JAK2 gene

d.

Exposure to high levels of carbon monoxide

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Answer: (c).Mutation in the body's JAK2 gene Explanation:The main cause of primary polycythemia is a mutation, or change, in the body's JAK2 gene.

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Q. What is the main cause of primary polycythemia?
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