Leukemia is a common hematopoietic tumor disease, commonly known as "blood cancer". Intrinsic factors that cause leukemia are_______
A. Changes in genetic material
B. Long-term exposure to ionizing radiation or X-rays
C. Mutations in proto-oncogenes and tumor suppressor genes
D. Both A and C
Answer:D
Leukemia is a common hematopoietic tumor disease, commonly known as "blood cancer". Intrinsic factors that cause leukemia are_______
A. Changes in genetic material B. Long-term exposure to ionizing radiation or X-rays C. Mutations in proto-oncogenes and tumor suppressor genes D. Both A and C