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Chapter 12. Genes and cancer Questions and Answers 100% Solved
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Chapter 12. Genes and cancer
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Chapter 12. Genes and cancerLearning objectives - answer Define cancer, including the basic features of a disease
that would cause it to be classified as a form of cancer.
Compare the properties of cancerous cells to the properties of non- cancerous cells.
Explain what it means if a tumor is malignant, and differentiate between the
characteristics of a malignant tumor and those of a benign tumor.
Describe what it means if a cancer is metastatic and distinguish between the features of
metastatic and non-metastatic cancers.
Describe the role of mutations in the development of cancer, including the class of
mutations that commonly contribute to cancer development, the type of genes and
number of genes that (when mutated) contribute to the development of cancer.
Explain why age is a leading risk factor for the development of cancer.
Describe how environmental mutagens contribute to cancer development.
Estimated new cancer cases in the US in 2018 - answerIn the US, men have ~1 in 2
lifetime risk of developing cancer. For women, the lifetime risk of developing cancer is
~1 in 3.
About 1 out of every 4 people will die from cancer in the United States. Cancer is the
second leading cause of death in the United States.
Trends in cancer incidence rates, US, 1975-2014 - answer
Trends in cancer incidence rates among males, 1975-2014 - answer
Trends in cancer incidence rates, US, 1975-2014 - answer
Trends in cancer incidence rates among males, US, 1975-2014 - answer
Trends in cancer death rates by sex, US, 1975-2014 - answerFrom 1991 to 2014, the
death rate for all cancers combined decreased 25%.
Defining Cancer - answerThe word "cancer" comes from the Greek word carcinos,
which means crab. The Greek term was later translated in to the Latin word for crab,
cancer.
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