Quiz: CUT! How Does CRISPR Work?

Note: The correct answers are marked in green here for you, but this marking will not be visible to the students when they view the assignment.

a. It is a defense system in bacteria against competing bacteria. b. It is a defense system in human cells against viruses. c. It is a defense system in bacteria against viruses. d. It is a defense system in human cells against bacteria.

Correct.

Incorrect.

a. True b. False

Correct.

Incorrect.

a. Additional nucleotides can be added at the target site, which results in an insertion mutation. b. The double-strand break is only repaired in one DNA strand, not the other. c. Nucleotides can be removed at the target site, which results in a deletion mutation. d. A specific nucleotide sequence or an entire new gene can be introduced into the target DNA if a DNA repair template is present.

a. Fixing a mutation in a gene in order to cure a disease. b. Introducing a mutation to inactivate a gene. c. Introducing a new gene into an organism's genome. d. A and B only e. A, B, and C

Correct.

Incorrect.

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