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Gene Replacement in both yeast and mouse embryonic stem cells involves: A. Trans

ID: 58585 • Letter: G

Question

Gene Replacement in both yeast and mouse embryonic stem cells involves:
A. Transposable Elements
B. Site specific recombination
C. Homologous recombination
D. Gene Conversion
E. none of the above.

5. Bromouracil
A. Induces transversion mutations.
B. Induces transition mutations.
C. Induces frameshift mutations
D. Is mutagenic because it more likely than thymidine to be in the keto form.
E. Can usually revert mutations induced with proflavine.

11. An unusual new species of bacteria is isolated from terrapin gut. It lacks the mismatch repair
system found in essentially all other organisms. Which of the following do you expect to be true about
this bacteria?
A. It will have a lower spontaneous mutation rate than E. coli.
B. It will be unusually sensitive to the formation of double strand breaks in its DNA.
C. It will not be able to incorporate 5-Bu into its DNA.
D. It will have a relatively high level of SNP polymorphisms.
E. It will not score touchdowns

Explanation / Answer

1. Gene Replacement in both yeast and mouse embryonic stem cells involves:

A.Transposable Elements

5. Bromouracil

D. Is mutagenic because it more likely than thymidine to be in the keto form.

11. An unusual new species of bacteria is isolated from terrapin gut. It lacks the mismatch repair
system found in essentially all other organisms. Which of the following do you expect to be true about
this bacteria?

B. It will be unusually sensitive to the formation of double strand breaks in its DNA.