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book Human Heredity 11th Edition by Michael Cummings cover

Human Heredity 11th Edition by Michael Cummings

Edition 11ISBN: 978-1305251052
book Human Heredity 11th Edition by Michael Cummings cover

Human Heredity 11th Edition by Michael Cummings

Edition 11ISBN: 978-1305251052
Exercise 5
Cancer is now viewed as a disease that develops in stages. What are the stages to which this statement refers?
A) Malignant tumors become nonmalignant.
B) Proto-oncogenes become tumor-suppressor genes.
C) Younger people get cancer more than older people do.
D) Small numbers of individual mutational events exist that can be separated by long periods of time.
E) None of these.
Explanation
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Option a is invalid because once a tumor...

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Human Heredity 11th Edition by Michael Cummings
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