The cause for occurrence of leukemia at earlier average age at onset than other cancers. Concept introduction: Cancer is a condition where the cells grow abnormally. Leukemia is a type of cancer that affects the bone marrow (blood cells) and the lymphatic system. Cancer cells arise when the normal cells refuse to undergo apoptosis (cell death) and multiply indefinitely by disrupting the task performed by other cells in the body. Here, the undeveloped young blood cells (specifically the WBCs) become cancerous cells (divide indefinitely; function improperly) through mutation in the DNA and also interrupt the action and function of the normal blood cells. There are many types of leukemia; some occur in children and others in adults.

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Chapter 20, Problem 15Q

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To explain: The cause for occurrence of leukemia at earlier average age at onset than other cancers.

Concept introduction: Cancer is a condition where the cells grow abnormally. Leukemia is a type of cancer that affects the bone marrow (blood cells) and the lymphatic system. Cancer cells arise when the normal cells refuse to undergo apoptosis (cell death) and multiply indefinitely by disrupting the task performed by other cells in the body. Here, the undeveloped young blood cells (specifically the WBCs) become cancerous cells (divide indefinitely; function improperly) through mutation in the DNA and also interrupt the action and function of the normal blood cells. There are many types of leukemia; some occur in children and others in adults.

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