Loss of Function Mutations
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Questions and Answers

Which type of mutation is a loss of function mutation?

  • Dominant
  • Both recessive and dominant
  • Gain of function
  • Recessive (correct)

Which type of mutation is a gain of function mutation?

  • Dominant (correct)
  • Recessive
  • Loss of function
  • Both recessive and dominant

What is the consequence if a cell has a loss-of-function mutation in both copies of the Rb gene?

  • Increased proliferation
  • Cancer (correct)
  • Development of retina
  • Tumor suppression

What is the role of p53 protein in the cell cycle?

<p>Inhibitory signal (B)</p> Signup and view all the answers

What could be the consequence if a cell has two loss-of-function alleles of p53?

<p>Increased cell proliferation (C)</p> Signup and view all the answers

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