Monoclonality of tumor cell population

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Reference no: EM1392830

Question: Uranium-235, with a half-life of 713 million years, decays to lead-207. If you analyze a rock sample and find that it contains uranium-235 and lead-207 in a ratio of 1:3, how old is the rock?

a. 4600000000 years old
b.1426000000 years old
c.713000000 years old
d. 0 years old
e. 256500000 years old

Question: Discuss how compelling are the argruments for the monoclonality of tumor cell population and what logic and observation undermine the conclusion of monoclonality?

Reference no: EM1392830

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