Using the Neo^R/Tk System of Introducing Gene Replacements into Mice

question 6

Multiple Choice

Using the Neo^R/Tk system of introducing gene replacements into mice (as described in the text) , which of the following would identify those mouse cells that were the result of homologous recombination?

• A)Neo^R only
• B)Tk only
• C)Neo^R and Tk
• D)Neither Neo^R or Tk