Using the CRISPR-Cas9 System to Correct a Genetic Defect in a Mouse

Multiple Choice

Using the CRISPR-Cas9 system to correct a genetic defect in a mouse brings with it which of the following risks?

A) increasing the animal's susceptibility to bacteriophage infection
B) decreasing the animal's ability to repair other mutations
C) introducing CRISPR-Cas9 gene into the animal's genome
D) altering non-target mouse genes needed for cell function